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地下室大体积混凝土专项施工方案

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videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Organizati on "l ook ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. Se cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of the three -ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility op eration a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of water go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccorda nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udge, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of





1. 编制说明及依据 ................................................................. 错误!未定义书签。 1.1. 编制说明 ......................................................................... 错误!未定义书签。 2. 工程概况 ............................................................................ 错误!未定义书签。 3. 施工准备 ............................................................................ 错误!未定义书签。 3.1. 技术准备 ......................................................................... 错误!未定义书签。 3.2. 商品混凝土的技术要求 ................................................... 错误!未定义书签。 3.2.1. 材料 .................................................................................... 错误!未定义书签。 3.2.2. 坍落度 ................................................................................ 错误!未定义书签。 3.2.3. 配合比 ................................................................................ 错误!未定义书签。 3.2.4. 和易性 ................................................................................ 错误!未定义书签。 3.2.5. 初凝、终凝 ........................................................................ 错误!未定义书签。 3.2.6. 对碱-集料的要求 ............................................................... 错误!未定义书签。 3.2.7. 混凝土试配 ........................................................................ 错误!未定义书签。 3.3. 场地及交通准备 .............................................................. 错误!未定义书签。 3.3.1. 交通条件 ............................................................................ 错误!未定义书签。 3.3.2. 场地准备 ............................................................................ 错误!未定义书签。 3.3.3. 场内交通维持 .................................................................... 错误!未定义书签。 3.4. 施工资源配置 .................................................................. 错误!未定义书签。 3.4.1. 施工机械 ............................................................................ 错误!未定义书签。 3.4.2. 劳动力 ................................................................................ 错误!未定义书签。 4. 施工部署 ............................................................................ 错误!未定义书签。 5. 施工方法 ............................................................................ 错误!未定义书签。 5.1. 模板施工 ......................................................................... 错误!未定义书签。 5.1. 钢筋工程 ......................................................................... 错误!未定义书签。 5.2. 混凝土浇筑...................................................................... 错误!未定义书签。 5.3. 标高控制 ......................................................................... 错误!未定义书签。 5.4. 混凝土施工作业面泌水处理 ............................................ 错误!未定义书签。 5.5. 混凝土连续浇筑验算 ....................................................... 错误!未定义书签。

treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans", requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli mina ted in pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unif ied standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr omoting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nergy cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex, and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironment al pr otecti on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntion, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tig hten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation tim e is over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

5.6. 混凝土的泵送 .................................................................. 错误!未定义书签。 5.7. 大体积混凝土养护........................................................... 错误!未定义书签。 5.8. 混凝土试块留置 .............................................................. 错误!未定义书签。 6. 施工质量技术保证措施 ...................................................... 错误!未定义书签。 6.1. 混凝土的运输 .................................................................. 错误!未定义书签。 6.2. 原材料及掺合料的质量控制 ............................................ 错误!未定义书签。 6.3. 现场组织 ......................................................................... 错误!未定义书签。 6.4. 入模温度控制 .................................................................. 错误!未定义书签。 6.5. 混凝土浇筑...................................................................... 错误!未定义书签。 6.6. 坍落度控制...................................................................... 错误!未定义书签。 6.7. 混凝土养护...................................................................... 错误!未定义书签。 6.8. 混凝土裂缝的控制........................................................... 错误!未定义书签。 6.9. 突发情况质量保证措施 ................................................... 错误!未定义书签。 7. 安全文明施工及环保措施 .................................................. 错误!未定义书签。 7.1. 安全管理制度 .................................................................. 错误!未定义书签。 7.2. 安全保证措施 .................................................................. 错误!未定义书签。 7.2.1. 个人安全的防护 ................................................................ 错误!未定义书签。 7.2.2. 施工机械(具)安全施工措施 ........................................ 错误!未定义书签。 7.3. 环境保护措施 .................................................................. 错误!未定义书签。 7.3.1. 噪声 .................................................................................... 错误!未定义书签。 7.3.2. 大气污染 ............................................................................ 错误!未定义书签。 7.3.3. 固体尘埃 ............................................................................ 错误!未定义书签。

treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

1.

编制说明及依据

1.1. 编制说明
本方案主要针对 XXX 八期工程地下室 2、3、5、6#筏形基础大体积混凝土施工而编制, 1. 2. 3. 4. 与本工程相关的现行国家规范、规程及技术标准; XXX 八期工程地下室工程相关施工图纸; 施工现场及周边环境实际情况 ISO9001 质量管理体系、ISO14001 环境管理体系、OSHMS18001 职业安全健康管

理体系标准;我单位质量、环境及职业安全健康管理手册、程序文件及其支持性文件。 参考的标准及规范目录如下: 序号 1 2 3 4 6 7 8 9 10 11 12 13 14 15 16 17 18 标准名称 《建筑地基基础工程施工质量验收规范》 《混凝土结构设计规范》 《工程测量规范》 《混凝土结构工程施工质量验收规范》 《混凝土质量控制标准》 《预拌混凝土》 《硅酸盐水泥、普通硅酸盐水泥》 《矿渣硅酸盐水泥、火山灰质硅酸盐水泥及粉煤灰硅酸 盐水泥》 《普通混凝土力学性能试验方法标准》 《混凝土外加剂应用技术规范》 《混凝土泵送施工技术规程》 《高层建筑箱形与筏形基础技术规范》 《普通混凝土配合比设计规程》 《大体积混凝土施工规范》 《混凝土拌合用水标准》 《钢筋焊接及验收规程》 《钢筋焊接接头试验方法标准》 标准编号 GB50202-2002 GB50010-2002 GB50026-2007 GB50204-2002 GB50164—92 GBl4902—94 GBl75—1999 GBl344—1999 GB/T50081-2002 GB50119-2003 JGJ/G10-95 JGJ6-99 JGJ55-2000 GB50496-2009 JGJ63-89 JGJ18-2003 JGJ/T27-2001

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

序号 19 20 21 22

标准名称 《钢筋机械连接通用技术规程》 《地下工程防水技术规范》 《施工现场临时用电安全技术规范》 《建筑机械使用安全技术规程》

标准编号 JGJ107-2003 GB50108-2008 JBJ46-2005 JGJ33-2001

2.

工程概况

本工程大体积混凝土主要包括 2#、3#、5#、6#楼筏形基础,具体概况如下表所示: 部位 2#筏基 3#筏基 5#筏基 6#筏基 合计 尺寸(m) 21.8×63.95×1.2 20.6×74.45×1.2 21.6×82.15×1.2 20.27×75.84×1.2 / 混凝土用量(m3) 1455.93 1139.60 1547.51 1226.31 5369.35 备注 C35,P6 C35,P6 C35,P6 C35,P6 / 预计持续浇筑时间 16 小时 13 小时 18 小时 15 小时 /

以下是本工程大体积混凝土工程概况图

3.

施工准备

3.1. 技术准备
1. 进行大体积混凝土施工前项目部应进行图纸会审, 熟悉相关设计内容, 编制针对性

的专项施工方案,制订关键部位的施工作业指导书。 2. 大体积混凝土浇筑前, 项目部应对管理人员及作业工人进行专业培训, 并应逐级进
Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt.

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

行技术交底, 熟悉图纸中该部位施工的工程概况, 板厚、 面积、 方量及大致的连续浇筑时间。 同时应建立严格的岗位责任制和交接班制度。 3. 大体积混凝土施工前要对混凝土的模板和支架、 钢筋工程、 预埋管件验收并在合格

的基础上进行。 4. 施工现场设施应按施工总*面布置图的按方案布置, 场区内道路应坚实*坦, 进行

路基处理后天 200 厚石渣粉。 5. 施工现场的供水、供电应满足混凝土连续施工的需要,当有断电可能时,应有双路

供电或自备电源等措施。 6. 要对选定的商品混凝土站进行实地考察,对其加工程序、生产环节、原材料采购渠

道、 生产供货能力、 路程远*、 交通运输道路畅通情况, 混凝土供应保障措施都要进行考核, 确保商品混凝土的供应能力及产品质量没有问题。 7. 大体积混凝土的供应能力应满足混凝土连续施工的需要, 不宜低于单位时间所需量

的 1.2 倍。 8. 用于大体积混凝土施工的设备, 在浇筑混凝土前应进行全面的检修和试运转, 其性

能和数量应满足大体积混凝土连续浇筑的需要。 9. 混凝土的测温监控设备宜按本规范的有关规定配置和布设, 标定调试应正常, 保温

用材料应齐备,并应派专人负责测温作业管理。 10. 在施工之前要注意季节性气象资料的收集, 进行分析, 因本工程主楼区筏板混凝土 浇筑时间都为 2 天,宜选择在连续晴朗的天气浇筑。

3.2. 3.2.1.
1. 水泥

商品混凝土的技术要求 材料

根据《大体积混凝土施工规范》 ,大体积混凝土所用水泥必须满足以下要求: 筏板混凝土使用中、 低热硅酸盐 42.5 水泥, 所用水泥其 3d 的水化热不宜大于 240kJ/kg, 7d 的水化热不宜大于 270kJ/kg。 筏板混凝土为抗渗混凝土,所用水泥的铝酸三钙含量不宜大于 8%; 2. 粗细骨料

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

细骨料宜采用中砂,其细度模数宜大于 2.3,含泥量不大于 3%,粗骨料宜选用粒径 5~ 31.5mm,并连续级配,含泥量不大于 1%;应选用非碱活性的粗骨料。 3. 外加剂

使用缓凝型的高效减水剂改善混凝土的流动性, 降低混凝土的单方用水量。 采用微膨胀 剂来补偿混凝土收缩。 所用外加剂的质量及应用技术,应符合现行国家标准《混凝土外加剂》GB 8076、 《混 凝土外加剂应用技术规范》GB 50119 和有关环境保护的规定。 4. 掺合料

掺加一定量的粉煤灰和粒化高炉矿渣粉, 其质量应符合现行国家标准 《用于水泥和混凝 土中的粉煤灰》GB 1596 和《用于水泥和混凝土中的粒化高炉矿渣粉》GB/T 18046 的有关 规定。 5. 拌和用水

拌合用水的质量应符合国家现行标准《混凝土用水标准》JGJ 63 的有关规定。

3.2.2.

坍落度

参照《混凝土泵送施工技术规程》 ( JGJ10-95 )程和《地下工程防水技术规范》 ( GB 50108-2008)的规定,本工程大体积混凝土配合比设计为 12-14cm,搅拌站应根据气温条件、 运输时间(白天或夜天) 、运输道路的距离、混凝土原材料(水泥品种、附加剂品种等)变 化、 混凝土的坍落度损失情况来调整原配合比, 确保混凝土浇筑时的坍落度能够满足施工生 产需要,保证混凝土供应质量。

3.2.3.

配合比

本工程筏板混凝土为防水混凝土,应采用混凝土 60d 强度作为混凝土配合比的设计依 据。 拌和水用量不宜大于 175kg/mM3。 粉煤灰掺量不宜超过胶凝材料用量的 40% ;矿渣粉的掺量不宜超过胶凝材料用量的 50%;粉煤灰和矿渣粉掺合料的总量不宜大于混凝土中胶凝材料用量的 50%。水胶比不宜大 于 0.55。砂率宜为 38~42%。 拌合物泌水量宜小于 10L/m3。

treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

3.2.4.

和易性

为了保证混凝土在浇筑过程中不离析, 要求混凝土要有足够的粘聚性, 要求在泵送过程 中不泌水、不离析。坍落度经时损失要求两小时小于 40mm。

3.2.5.

初凝、终凝

为了保证筏板混凝土的连续浇筑, 避免出现施工冷缝, 要求商品混凝土的初凝时间保证 在 7 小时以上;为了保证后道工序的及时插入,要求混凝土终凝时间控制在 10 小时以内。

3.2.6.

对碱-集料的要求

本工程混凝土碱含量按Ⅲ类工程控制,配制混凝土时,应使用 C 种碱活性集料,掺加 矿粉掺合料、低碱外加剂等措施。并应对混凝土碱含量进行评估。

3.2.7.

混凝土试配

在混凝土制备前,应进行常规配合比试验,并应进行水化热、泌水率、可泵性等对大体 积混凝土控制裂缝所需的技术参数的试验; 必要时其配合比设计应当通过试泵送, 根据试泵 送结果来调整或者优化配合比。

3.3. 场地及交通准备 3.3.1. 交通条件

1)场内:基坑内所有楼栋号均已动工,基坑土方开挖已全部完成,仅余局部承台和基 础梁。场内已部署 6m 宽临时道路,可接通至各块筏板位置。 2) 场外: 本工程东侧为金榜路, 北侧为古塘坳路 (待建) , 南侧为福康路, 西侧为 XXX 八期 8.2 期工程,本工程混凝土浇筑时运输通道为福康路经由临时道路进入基坑内,再由场 内道路运至各浇筑位置。

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

3.3.2.

场地准备

根据本工程实际的浇筑需要及场内交通线路,每块筏形基础混凝土浇筑时配备 2 台天 泵,施工现场可满足混凝土罐车就位布置需要。 搅拌站全部混凝土搅拌车均安装有 GPS 定位仪,派专人与司机保持联系,了解罐车的 行进状态,罐车在路途中遇到问题,及时赶赴现场,加以解决。了解罐车到达现场的时间, 以便作合理安排。

3.3.3.

场内交通维持

混凝土搅拌车到达现场后, 由现场保安人员进行指挥, 在出入口处设两名保安维持交通, 全程采用对讲机进行指挥, 以保证进场车辆按规定位置停靠, 不能进场的在大门口指定区域 停靠等候,在道路宽度或者场地不够情况下,场内施工完毕的车辆出场后,停靠等候的车辆 才能进场,防止无序进出,阻碍交通,延误时间。

3.4. 施工资源配置 3.4.1. 施工机械

根据混凝土体量的分布情况和工程进度的需要, 筏板基础混凝土浇筑选择汽车泵, 实际 混凝土输送量约为 50 m?/h,其性能参数如下表: 汽车泵配备数量 5#筏形基础混凝土工程量最大,为 1547.51m3,计划 18 小时,每小时混凝土浇筑量为 86m3,计算泵车数量 N1=1547.51/18/50=1.72,因此共需配置 2 台泵车。 每台泵车需搅拌车数量计算公式:

式中: Q1----每台混凝土泵的实际*均输出量 (m3) N2----每台泵车需配搅拌车的数量; V----混凝土搅拌运输车容量(m3) L----搅拌站到施工现场往返距离(km),取 20km S----搅拌运输车车速(km/h);本工程取 40 km/h
treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

T1----一个运输周期总的停车时间(h),取 0.5h

5.37,取 6 台 每台汽车泵需配备搅拌运输车台数 6 台,共需配备搅拌运输车:8(台)。 本工程筏形基础大体积混凝土浇筑配置机械设备如下表所示: 序号 1 2 4 5 6 7 8 9 10 12 13 14 15 16 设备名称 塔 吊 汽车泵 振捣棒 *板振动器 钢筋切断机 钢筋弯曲机 钢筋调直机 电动套丝机 砂轮切割机 压刨 圆盘锯 经纬仪 全站仪 自动安*水准仪 规格型号 TC6010-6 / ZN50 ZW7 GQ-40 WQ-40 JK-3 15-50 SQ-40-1Q MB-105 MJ-134 TDJ2E GTS-602/L AT-G6 数量 5台 2台 30 根 4台 6台 4台 4台 4台 3台 2台 8台 6台 2台 6台 功 率(kw) 150 90 1.45 1.5 4 3 2 4 3 4 3

3.4.2.

劳动力

根据工程量及工程整体安排,进行合理的劳动力安排,要使筏形基础施工按计划完成, 各专业需要投入的劳动力数量见下表: 工 种 钢筋工 木 工 混凝土工 防水工 机电安装工 电焊工 合 计 人 40 30 20 15 15 5 125 随施工进度调整 数 备 注

4.

施工部署

本工程大体积混凝土分布于 4 栋塔楼筏形基础部位,根据施工进度安排,施工顺序为 3#→2#→5#→6#,为良好控制混凝土质量,防止大体积混凝土产生裂缝裂纹,经计算确定,

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

我司计划各块筏板均采用 2 台天泵,2 个混凝土班组,自筏板短向一端往另一端推移式连续 施工,最长连续浇筑时间约为 18 小时,为保证质量,同时兼顾工人可操作性,经与搅拌站 技术人员协商确定本次大体积混凝土出口塌落度为 12-14, 具体由搅拌站和我现场管理人员 根据天气状况和实际条件确定和调整。 本工程筏形基础大体积混凝土浇筑的现场*面布置拟定如下图所示:

天泵的布置位置见上图, 浇筑至筏板中部时, 1#天泵由位置 1 转移至位置 2, 继续施工。 生产经理及相关栋号长根据现场实际情况, 提前一天布置好天泵的摆放位置, 确定好混 凝土运输车辆的进场、出场路线,同时积极与搅拌站工作人员保持联系,保证砼供应及时, 供应量与现场需求相吻合。 浇筑时,都是从一个方向向另外一个方向推移,利用 2 台泵多点连续进行,避免先后衔 接不上出现施工冷缝。

5.

施工方法

5.1. 模板施工
本工程 2、5、6#塔楼均需做防水,采用 240 厚砖胎模。用 MU7.5 灰砂砖 M10 水泥砂浆 砌筑。 厚度根据开挖深度 H 确定, H≤700mm 时砖胎模 120mm 厚; 高 700mm ≤h≤1200mm 时,墙厚 240mm;砖胎模内表面采用 20 厚面 1:2 水泥砂浆抹灰压光,内抹灰干燥后,进 行防水层施工,防水层为 2 厚双组份聚氨酯 911 防水涂膜,然后做 20 厚 1:2 水泥砂浆保护 层,硬化后再测量放线,进行钢筋绑扎。
treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

3#塔楼筏形基础因回填土不需进行防水层施工,筏板基础底部砌筑 300 高 240 厚砖墙, 以防止坑内土方滑落至垫层便面,内表面采用 20 厚 1:2 水泥砂浆抹灰压光。上部模板采用 900 高木模,木模板内部与钢筋网架之间采用间距 450 长 300Φ 12 钢筋焊接顶撑,外侧间距 450 采用钢管与基坑侧壁顶撑,保证浇筑时不发生胀模等意外情况。

5.1.

钢筋工程

筏板钢筋 本工程筏板基础受力钢筋采用直螺纹连接, 钢筋锚固长度必须符合设计要求。 上下层钢 筋网之间采用Φ 18@700*700“几”字型型钢筋马蹬进行架设和支撑, 马蹬尺寸详见下图:

墙柱插筋 本工程墙柱插筋锚固到筏板底部,且角部钢筋水*弯折长度≥150。钢筋混凝土墙、柱 纵向钢筋伸入承台或基础内时,应满足锚固长度的要求,不出地面的地下室钢筋混凝土墙, 钢筋满足锚固长度即可。

5.2. 混凝土浇筑
本工程 4 块筏板浇筑均一次性完成,不留置施工缝。根据本工程大体积混凝土的特点, 采用推移式连续浇筑,配备 2 台汽车泵自短向一端由沿长向*2捎梅侄尾剂稀⒎侄握竦 的施工方法进行施工, 混凝土采用插入式高频振动棒进行振捣, 振动棒的移动间距以 400mm 为宜,应尽量避免碰撞钢筋,振动棒每一振点的振捣时间,一般控制时间为 15~30s,时间 过短,混凝土不易振实,过长会引起混凝土离析,混凝土振捣应注意“快插慢拔不漏点” 。 每台泵车配备 2 根插入式振动棒,1 根备用,在混凝土浇筑后即将凝固前,在适当的时 间和位置给予二次振捣,消除混凝土因泌水在粗骨料、水*钢筋下部生成的水分和孔隙,增

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

加混凝土的密实度,减少内部微裂缝和改善混凝土强度,提高抗裂性。砼浇筑到收尾阶段的 泌水采用污水泵抽排至坑外。 混凝土在终凝前用刮尺刮*和木抹子收光, 并及时用塑料薄膜 覆盖,防止混凝土表面水分过快散失出现干缩裂缝。

5.3. 标高控制
筏板钢筋绑扎前, 根据现场基坑外侧已布置的永久性标高控制线, 将层筏板标高控制线 引至现场塔吊标准节上, 钢筋绑扎好后, 再引至墙、 柱钢筋上, 用红油漆标出该层 500mm 线。 浇筑混凝土时每个开间用尼龙线拉对角线控制标高。

5.4. 混凝土施工作业面泌水处理
混凝土表面离析水以及沉积水对筏板混凝土质量影响较大,如果施工过程中不及时排 出,不但会影响混凝土的强度,而且会加剧混凝土的自身收缩,引起筏板混凝土的裂缝,本 工程拟在混凝土浇筑的过程中采取如下措施对沉积水、离析水进行排出: 筏板大体积混凝土浇筑时, 表面会沉积少量的离析水和其他水流, 拟计划将电梯井底坑 做临时积水坑,施工过程中派专人将基坑内的沉积水用软管及时抽排至基坑外。

5.5. 混凝土连续浇筑验算
按*面图布置,2 台泵车浇筑点*行布置,每台泵的布料宽度最大为 10.8 米,混凝土初 凝时间按 7h 考虑,筏板混凝土厚度为 1.2 米,分层的长度按 10 米计算,则每层混凝土最大 浇筑工程量为:10.8×10×1.2 =129.6m3;混凝土的泵送能力按 50m3 计,交接处混凝土前后 浇筑时间为 129.6/50=2.6h<7h。故混凝土施工作业面不会出现施工冷缝。

5.6. 混凝土的泵送
泵送混凝土时泵车的支腿应完全伸出,并插好安全销。 混凝土泵启动后应先泵送适量水以湿润混凝土泵的料斗、 活塞及输送管的内壁等直接与 混凝土接触部位。 经泵送水检查确认混凝土泵和输送管中无异物后, 应采用下列方法之一润滑混凝土泵和 输送管内壁: 1、泵送水泥浆, 2、泵送水泥砂浆,
treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

3、泵送与混凝土内除粗骨料外的其他成份相同配合比的水泥砂浆。 润滑用的水泥浆或水泥砂浆应分散布料不得集中浇筑在同一处。 开始泵送时混凝土泵应处于慢速、 匀速并随时可反泵的状态。 泵送速度应先慢后快逐步 加速,同时应观察混凝土泵的压力和各系统的工作情况,待各系统运转顺利后,方可以正常 速度进行泵送。 混凝土泵送应连续进行, 如必须中断时其中断时间不得超过混凝土从搅拌至浇筑完毕所 允许的延续时间,泵送混凝土时活塞应保持最大行程运转。 泵送混凝土时, 如输送管内吸入了空气, 应立即反泵吸出混凝土至料斗中重新搅拌排出 空气后再泵送。 泵送混凝土时,水箱或活塞清洗室中应经常保护充满水。 在混凝土泵送过程中若需接长 3m 以上的输送管时, 仍应预先用水和水泥浆或水泥砂浆, 进行湿润和润滑管道内壁。 当混凝土泵出现压力升高且不稳定油温升高、 输送管明显振动等现象, 而泵送困难时不 得强行泵送并应立即查明原因采取措施排除。 在混凝土泵送过程中有计划中断时, 应在预先确定的中断浇筑部位停止泵送, 且中断时 间不宜超过 1h。 混凝土泵送即将结束前,应正确计算尚需用的混凝土数量并应及时告知混凝土搅拌站。 泵送过程中废弃的和泵送终止时多余的混凝土应按预先确定的处理方法和场所及时进 行妥善处理。 泵送完毕时应将混凝土泵和输送管清洗干净。 当多台混凝土泵同时泵送或与其他输送方法组合输送混凝土时应预先规定各自的输送 能力。

5.7. 大体积混凝土养护
为防止筏板混凝土内外温差过大,导致贯通裂缝的产生,需要采取保温养护措施。第一 混凝土浇筑完采用蓄水养护的措施 混凝土终凝以后,立即往蓄水区放水养护,采用现场施工用水,蓄水高度不低于 20cm, 水温不得低于 25℃,防止混凝土表面温度过低。连续养护时间原则上不得低于 5d,具体养 护天数根据现场情况而定,当内外温差小于 25℃,可放水改用常规洒水养护方式施工,总 共养护时间不得低于 14d。

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

大体积混凝土温度异常处理措施 做好混凝土浇筑过程和成型后养护措施, 定时测温并做好记录, 蓄水养护由于水的比热 很大, 晚上或者下雨天大气温度急剧下降后, 混凝土表面水温不会过快下降导致混凝土内外 温差过大,该养护方式基本不会出现内外温差超过 25℃的情况。覆盖保温材料养护时,若 混凝土内部最高温度与表面温度差达到 25℃或者混凝土表面温度与大气温差达到 20℃,采 取以下措施进行避免和处理: 要加大保湿养护的力度, 保持塑料薄膜内时刻充分湿润, 在麻袋表面再盖一层塑料薄膜, 薄膜上再覆盖毛毯或麻袋,上述塑料薄膜和毛毯等覆盖时搭接长度应不小于 20cm。以降低 保温材料的综合导热系数,减小混凝土内外温差,此外,要增加养护周期,保持连续 25 天 养护,保持内部温度综合降每天在 1.5 度以下。

5.8. 混凝土试块留置
在砼浇筑过程中,未经项目总工程师同意,任何人不得随意变动配合比。 砼试块留量:依据〈 〈地下防水工程质量验收规范〉 〉 (GB50208-2002) ,每 500m3 留置 一组抗渗试块(每组 6 个) ,每一工作班不少于一组。按《混凝土结构工程施工质量验收规 范》 (GB50204-2002)要求留设抗压试块和同条件试块。同一配合比、同一台班、每 100m? 取一组抗压强度试件,当一次连续浇筑超过 1000mM3 时,同一配合比的混凝土每 200m?取 样一组(每组 3 个) 。

6.

施工质量技术保证措施

大体积混凝土的浇筑是本工程的施工重点, 也是施工难点, 根据大体积混凝土的施工特 点,本工程主要从以下几个方面确保混凝土施工质量:

6.1. 混凝土的运输
1)搅拌车在装料前应将筒内的积水排干净再装料。 2)选择一家备用混凝土搅拌站,保证发生意外情况下混凝土的连续供应。 3)搅拌车行走路线应有预备线路,以防止塞车、堵车时间过长,造成混凝土坍落度损 失过大。 4)运输过程中,坍落度损失或离析严重,当塌落度损失后不能满足施工要求时,应该 加入原水灰比的水泥浆或掺加减水剂进行快速搅拌,搅拌时间应不小于 120s;严禁直接加
treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

水。经补充外加剂或快速搅拌已无法恢复混凝土拌和物的工艺性能时,不得浇筑入模。 5)通过试验,混凝土从出料到现场浇筑完成不宜超过 1.5h。 (搅拌站出料单上应注明出 车时间)如时间过长,经检测坍落度和扩展度损失过大,须同上条处理。

6.2. 原材料及掺合料的质量控制
为确保混凝土供应商所供应的混凝土全部满足要求, 对大体积商品混凝土的原材料以及 混凝土掺合料的技术性能具体要求如下: 分 类 项 目 具体要求 选用信誉良好的大厂家生产的合格水泥,且必须按相关要求进行检验合格方可使 用,根据泵送大体积混凝土的施工特点,应选用保水性好,泌水性小的水泥,水 化热较小的水泥,我们拟采用 42.5 级普通硅酸盐水泥。 水泥 大体积混凝土施工所用水泥其 3 天的水化热不宜大于 240kJ/kg,7 天的水化热不 宜大于 270kJ/kg。当混凝土有抗渗指标要求时,所用水泥的铝酸三钙含量不宜大 于 8%。所用水泥在搅拌站的入机温度不应大于 60℃。 石子选用碎石或卵石,石子的最大粒径不应大于 25mm,针片状颗粒含量不大于 粗骨料 10%, 含泥量小于 1%, 泥块含量小于 0.5%, 压碎指标值不应大于 12%, 选用 5mm~ 25mm 连续级配的粗骨料。 材 细骨料 料 要 求 粉煤灰 下尽量减少水泥的用量,掺加一定量的粉煤灰取代部分水泥以降低混凝土的水化 温升。 掺合料 掺加二级粉煤灰、高炉矿渣粉等活性掺合料。 为了保证混凝土的工作性和解决大体积混凝土的水化热问题,外加剂必须使用缓 减水剂 凝型的高效减水剂改善混凝土的流动性,并应符合国家现行标准的规定。必须做 好外加剂与水泥之间的相容性试验,合格方可使用。 加入膨胀剂可补偿因大体积混凝土自身收缩而带来的变形,可以补偿因温差和干 膨胀剂 缩产生的内应力,可以降低混凝土的水化热,对保证工程质量及保证建筑物耐久 间的Ⅱ区中粗河砂。 为了改善混凝土的和易性便于泵送,考虑掺加适量的粉煤灰。为了防止混凝土水 化热过大使内部温度过高出现温度裂缝,在满足强度、耐久性及施工性能的前提 细骨料选用含泥量不大于 1%,泥块含量不得大于 0.5%,细度模数在 2.6~3.0 之

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

性有利。

要求混凝土入泵坍落度 14+U2cm,坍落度过大,混凝土的自身收缩可能会较大, 坍落度 结构易开裂;过小,影响混凝土的施工性能,难于保证混凝土施工质量。 凝结时 间 和易性 为了保证混凝土的连续浇筑,避免出现施工冷缝,要求商品混凝土的初凝时间保 证在 10 小时以上。 混凝土和易性、保水性好,不离析、不泌水,利于施工从而保证混凝土质量。 混凝土的自身收缩和材料质量有关外,还和配合比的设计有关,优化配合比,掺 加具有一定活性的矿物掺合料取代一部分水泥,可以改善拌合物的和易性、可泵 技 性、减少泌水、降低水化热,减少了混凝土的自身收缩,在拌制混凝土时掺入适 术 要 求 配合比 采用混凝土 60 天或 90 天强度作为指标时,应将其作为混凝土配合比设计依据。 拌合水用量不宜大于 175kg/mM3。 粉煤灰的掺量不宜超过胶凝材料用量的 40%;矿渣粉的掺量不宜超过胶凝材料用 量的 50%; 粉煤灰和矿渣粉掺合料的总量不宜大于混凝土中胶凝材料用量的 50%。 水胶比不宜大于 0.55。 砂率为 38%~42%。 拌合物泌水量宜小于 10L/mM3 量的聚丙烯纤维,可以增加混凝土抗裂缝的能力。

6.3. 现场组织
现场组织严密,保持道路畅通,车辆调度有方,确保现场混凝土输送车能满足输送泵连 续泵送的要求,做到运送混凝土的输送车到现场及卸料浇筑完成时间不大于 1h。 现场作业面施工有序, 作业面连续浇筑无施工冷缝, 混凝土浇筑由④轴向○ 9 轴后退浇筑, 混凝土振捣密实不超振、不漏振,筏板积水及时抽排,大面基本无积水。 合理安排调度混凝土运输车辆及混凝土浇筑的人员, 防止混凝土运输车在现场等待时间 过长,影响混凝土的质量。确保入模混凝土的坍落度一致。

6.4. 入模温度控制
通过控制混凝土的入模温度, 来控制混凝土内部最高温度, 防止混凝土内部温度过高产

treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

生温度裂缝,非常必要,依据《混凝土质量控制标准》 ,混凝土的入模温度不宜超过 30℃。 为了降低混凝土的出机温度和浇筑温度,降低砼出料口的温度,可采取如下措施:首先对粗 骨料洒水降温,细骨料用彩条布覆盖防止阳光直射。在生产混凝土时用冰块降低用水温度, 搅拌时用低温水对运输车罐体、泵送管道进行冷却。

6.5. 混凝土浇筑
采用推移式连续浇筑方法, 缩短间歇时间, 并在前段混凝土初凝之前将次段混凝土浇筑 完毕。 层间最长的间歇时间不应大于混凝土的初凝时间。 混凝土的初凝时间应通过试验确定。 当层间间隔时间超过混凝土的初凝时间时,层面应按施工缝处理。 混凝土浇筑宜从低处开始,沿长边方向自一端向另一端进行。

6.6. 坍落度控制
由于砼使用泵送运输,坍落度要求为 12-14cm,筏板砼初凝时间≥7 小时。 现场试验人员要经常抽测砼的坍落度,每班不少于两次,并作好记录。如出现异常,及 时通知技术部与搅拌站有关人员联系、处理。

6.7. 混凝土养护
第一次养护时,采用蓄水养护,蓄水养护应该注意如下问题: 要保证养护用水的深度在 20cm,周边的挡水不能有渗漏的情况,否则会产生蓄水深度 达不到要求的高度, 同时产生水的流动, 这些都将使水温降低与混凝土表面产生更多的热交 换,加快混凝土表面温度的下降,从而加大混凝土中心和表面温度的温差。 保证养护用水的温度不得低于 25℃,宜分次灌水达到最终的蓄水深度,以控制水温。

6.8. 混凝土裂缝的控制
筏板大体积混凝土裂缝形成原因 混凝土裂缝产生的原因很多,有变形引起的裂缝:如温度变化、收缩、膨胀、不均匀沉 陷等原因引起的裂缝; 有外载作用引起的裂缝; 有养护环境不当和化学作用引起的裂缝等等。 现将本工程的不同结构部位容易出现裂缝类型及其形成原因列表如下:

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

结构部位

易产生的 裂缝类型

裂缝的形成原因

影响因素

筏板大体 积混凝土

温度裂缝 干缩裂缝 塑性裂缝

温度裂缝多发生在大体积混凝土表面或温差变化 较大地区的混凝土结构中。 混凝土浇筑后,在硬化过 程中,水泥水化产生大量的水化热, 由于混凝土的体 积较大,大量的水化热聚积在混凝土内部而不易散 发,导致内部温度急剧上升,而混凝土表面散热较 快,这样就形成内外的较大温差,造成内部与外部 热胀冷缩的程度不同,使混凝土表面产生一定的拉 应力 (实践证明当混凝土本身温差达到 25℃~26℃ 时,混凝土内便会产生大致在 1MPa 左右的拉应 力) 。当拉应力超过混凝土的抗拉强度极限时,混 凝土表面就会产生裂缝,这种裂缝多发生在混凝土 施工中后期。

与混凝土施 工 环 境 温 度、养护措 施及混凝土 配 合 比 有 关。

筏板大体积混凝土裂缝的控制 筏板大体积混凝土的裂缝主要是温度裂缝、 干缩裂缝和塑性裂缝, 因此在控制筏板大体 积混凝土裂缝时主要针对以上裂缝产生的原因采取措施: 尽量选用低热或中热水泥,如矿渣水泥、粉煤灰水泥等;减少水泥用量,将水泥用量控 制在 300kg/mM3 以下;降低水灰比,一般混凝土的水灰比控制在 0.5 以下; 改善骨料级配,控制粗细骨料的含泥量,掺加粉煤灰或高效减水剂等来取代部分水泥, 减少单方混凝土中的水泥用量, 降低水化热, 另外在掺加一定量的具有微膨胀作用的掺合料 也可以防止裂缝的产生; 改善混凝土的搅拌加工工艺,可以搅拌水中加入适量冰块,并将骨料和水泥进行降温, 从而降低混凝土的入模温度; 浇筑前应认真规划浇筑顺序,避免约束和不均匀的沉降,从而产生裂缝,相反,采取恰 当的浇筑顺序会减少开裂。 正确进行混凝土振捣, 使用振捣棒时绝对禁止用振捣棒横拖赶动 混凝土拌和物。否则必然造成离下料口远处砂浆过多而开裂。 在混凝土中掺加一定量的具有减水、增塑、缓凝等作用的外加剂,改善混凝土拌合物的 流动性、保水性,降低水化热,推迟热峰的出现时间; 大体积混凝土要合理安排施工工序,分层、分块浇筑,以利于散热,减小约束;混凝土 运到工地后应立即检测坍落度,并尽快浇筑。如发现坍落度不足,不得擅自加水,应当在技 术人员指导下用追加减水剂的方法解决; 加强混凝土养护, 混凝土浇筑后, 在终凝后及时浇水养护, 并覆盖塑料薄膜和麻袋保温,
treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

并适当延长养护时间,保证混凝土表面缓慢冷却;

6.9. 突发情况质量保证措施
因本工程筏板最大厚度为 1200mm,采用推移式连续浇筑方法,最大浇筑量为 1547m3, 计划投入 2 台汽车泵,预*街畛の 18h,因时间较长,为了保证砼浇筑的连续性,避免 一些意外情况发生影响混凝土的浇筑,将分别采取以下应对措施: 砼浇筑之前如接到市政停电通知, 施工现场应根据停电时间合理安排砼浇筑时间, 避开 停电时间。如在砼浇筑过程中遇到突然停电时,应立即起用施工现场配备的发电机,将已浇 筑的砼振捣密实; 如停电时间不超过 3 小时, 可待来电时连续浇筑, 如停电时间超过 3 小时, 应在适当位置留设施工缝,并及时清理出输送泵内的砼。 在砼浇筑前,提前收集计划浇筑期间的天气状况,尽量避免大雨等恶劣天气,此外也要 尽量安排在低温天气浇筑。 如在砼浇筑过程中突然遇到大暴雨时, 应根据施工缝留设部位及 时停止浇筑砼,用准备好的防雨棚布等及时覆盖,并做好抽水、排水工作;且刚浇筑完成的 砼不能进行振捣,待雨停后用与此处砼成分相同的水泥浆浇筑在表面后再进行振捣。 如在砼浇筑过程中遇到爆模时, 应立即停止此范围的砼浇筑, 并及时拆除相应已破坏的 模板,把现场清理干净,调整钢筋,经验收后重新封模进行浇筑。

7.

安全文明施工及环保措施

7.1. 安全管理制度
在施工生产过程中贯彻“安全第一,预防为主”的安全工作方针。 提高施工人员的安全生产意识,通过经常性的安全生产教育,使施工人员牢固树立“安 全为了生产,生产必须安全”和“人人为我,我为人人”的安全工作思想。 实行“施工生产安全否决权” ,对于影响施工安全的违章指挥及违章作业,施工人员有 权进行抵制,安全员有权停止施工并限期进行整改,在整改后,需经安全员检查同意后方能 恢复施工。 安排施工任务的同时必须进行安全交底,按照安全操作规程及各项规定的要求进行施 工。安全交底要求有书面资料,有交底人和接受交底人签字,并整理归档以备查。 对新工人和变换工种工人进行安全教育, 使之熟悉本工种的安全操作规程, 特殊工种人 员要经过专业培训,考试合格后发上岗证并持证上岗。

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

坚持班前安全活动, 并做好记录, 班前班后进行安全自查, 发现现场安全隐患及时处理, 报告现场管理人员直至项目经理,待安全隐患处理完后方可施工。 现场施工用电严格按照《施工现场临时用电安全技术规范》 (JGJ46-2005)的有关规定 及要求进行布置与架设, 并定期对闸刀开关、 插座及漏电保护器的灵敏度进行常规的使用安 全检查。 施工机械设备的设置及使用必须严格遵守《建筑机械使用安全技术规程》 (JGJ33-2001) 的有关规定。设备防护罩、各种限位器及漏电保护装置等安全防护设施必须齐全、有效,并 按照各种施工机械设备的使用要求与有关规定进行维修保养。 塔吊安装完毕须后, 委托具有相应资质的检测机构进行验收。 经验收合格后方可投入使 用,未经验收或者验收不合格的不得使用。

7.2. 安全保证措施 7.2.1. 个人安全的防护

施工前,工长必须对工人有安全交底。严禁酒后*唷 进入施工现场工人都要戴安全帽,其中砼振捣工必须穿雨鞋,戴绝缘手套。 夜间施工, 施工现场及道路上必须有足够的照明, 现场必须配置专职电工 24 小时值班。 砼泵管出口前方严禁站人,以防砼喷出伤人。

7.2.2.
a) 塔吊

施工机械(具)安全施工措施

塔吊的安全装置(四限位、两保险)必须齐全、灵敏、可靠,指挥信号采用对讲机联系。 各部位应经常检查、维修、保养、运转正常。 塔吊的钢丝绳、滑轮、吊钩、机械传动各部件应经常检查、维修、保养、运转正常。 塔吊的附着件应严格按照塔吊安装方案进行预埋、安装。 塔吊在遇有六级以上大风、大雨、大雾时应停止作业。 施工时,塔吊司机应严格遵守操作规程和安全注意事项,严格执行“十不吊”规定。 b) 木工机械

圆锯、*面刨(手压刨)各种安全生产防护装置应齐全、灵敏、可靠。凡长度不长于

treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated

30cm,厚度大于锯片半径的木料严禁用圆锯裁割。 c) 其它机具

弯钢机、断钢机应严格执行机械设备的保养规程和操作规程。 输送泵各种安全及监测指示、仪表等装置必须按规定接零、接地,做到一机一闸一漏电 保护器,配电箱做到一箱一锁,现场配电按三级漏电保护。 现场照明电线路必须架空,严禁在钢筋上拖拉电线。 泵机运行时,机手不得离岗,并经常观察压力表、油温等是否正常。 泵管连接,由专人操作,其他人不得随意搭接。砼泵送过程中定时、定人检查连接件及 卡具有无松动现象。 泵送过程中应经常注意液压油温度,当油温升到 85°C 时,应立即停止泵送,进行冷 却,使油温降低后方可继续泵送。 泵送过程中,经常注意水箱中的水温,当温度过高时,水温≥35°C 时,应及时换水。

7.3. 环境保护措施 7.3.1. 噪声

施工噪声包括现场施工产生的噪声和车辆运输产生的噪声。 施工过程针对夜间施工噪声扰民问题,做好安民告示工作,办理夜间施工许可证,避免 周围居民投诉。 确定施工场地合理布局、 优化作业方案和运输方案, 保证施工安排和场地布局考虑尽量 减少施工对居民生活的影响,减少噪声的强度和敏感点受噪声干扰的时间。

7.3.2.

大气污染

对易产生粉尘、扬尘的作业面,制定操作规程和洒水降尘制度,适当洒水,保持湿度。 合理组织施工、优化工地布局,使产生扬尘的作业、运输尽量避开敏感点和敏感时段。 严禁在施工现场焚烧任何废弃物和会产生有毒有害气体、烟尘、臭气的物质。 水泥等易飞扬颗粒散体物料应尽量安排库存内存放, 堆土场、 散装物料露天堆放场要压 实、覆盖。

videoconfere nce , Secretary of the provincial Committee of Xia Baol ong stres sed: this year is t he "five water treatment" "357" timetables "for three years to resolve outstanding i ssues, obviously w orked," victory of the year.

The County's departme nts at all levels must firmly establish t he "guanghui is gold and silver" gree n devel opme nt conce pt, convi nce d that Castle i s not relaxed, always maintai ning strategi c ability a nd strong determi nation to improve t he environment, consiste ntly playing w ell "five water treatment of" winning the w ar, ever -higher levels of compre hensive well -of f society was built. (A) lay the sewage uphill battle . This year w e will "river water quality improved at the county level , up t o five" this basi c objective gras p of polluti on contr ol that focus, wit h the focus on three t hing s: a good job, "clear river s" reachi ng the County created. Orga nizati on "look ba ck " special i ns pecti on, the County garbage River, bla ck and odorous River is "Dragnet" investigati on, timely

rectification of problems found i n pla ce firmly to prevent river polluti on re bound. In a ccorda nce with the "one -stop strategy", improving the i nferior five water quality monitori ng stations w ork this year to e ns ure the Eliminati on of 1 provi ncial contr ol, five water quality secti on 3 munici palities controlled deteri oration, ensure the creation this year of "clear rivers" standards. S e cond, pay special attenti on to poll ution-cutting construction of nanotubes. I nterce pting nanotube s are the basis of poll ution of water source e ngine ering, e ngineering, matter of s uccess or failure of water manageme nt. Urban s ewage treatment, to impr ove "effluent from sewage treatment rate, running a ccuracy, complia nce" requirement, spee d up the tow n's s upport network constructi on, is focusing on nanotubes home "last meters" questi on. D omestic sewage treatment in r ural areas, t his year is the final ye ar of t he three-ye ar action, determination to fight and the mome ntum around, ending the battle on whi ch fully to ensur e the realizati on of all County 648 formed vi llage coverage. Also, be s ure to attach importa nce t o focus on rural domestic wastew ater treatment facility operation a nd management, e nsure t hat wastewater treatment facility up and runni ng, role play, av oid the "Sun" problem. Thir d, pay s pe ci al attention to t he River Lake pond des ilting operation. Pr ovinces now have focused on polluti on control of wat er go to "dig up mud", as the deepening water of this year's "plays". Next, to jump-start an i nvestigation line touches w ork, impleme ntation plan a ccordi ng to the priorities a nd t he programme of work, in a ccor da nce with the "one river one policy" requires detaile d clea ning, dredgi ng pla n, pla nni ng ahea d of time clea ning out mud "way out", accordi ng to local conditions to do sl udg e, promote s cie ntific resource utilizati on of silt a nd mud. (B) the heavy regulati on of heavily poll uting industrie s. Polluti on of water must gra b the s ource, wastewater is primarily the s our ce of ba ckward producti on capa city, increas e the inte nsity of

7.3.3.

固体尘埃

设置洗车槽,车辆出场冲洗车轮,车轮出工地不得携土上路。 在施工前做好施工道路的规划和布置,临时施工道路基层要夯实、路面硬化。 剩余料具、包装及时回收、清退。对可再利用的废弃物尽量回收利用。各类垃圾要及时 清扫、清运,不得随意倾倒,一般要求每班清扫、每日清运。 施工现场内无废弃砂浆和混凝土,运输道路和操作面落地料及时清用,砂浆、混凝土倒 运时应采取防撒落措施。 严禁乱倒垃圾、乱卸或用于回填。

treatment of heavily polluting i ndustries . Accordi ng to muni cipal , and muni cipal g overnment depl oyment of seve n big heavy pollution industry regulation "three years a ction plans" , requir ements to D ecember 2016 e nd of Qia n, all included s hut st opped elimi nated of enter prise al l shut stopped eli minated i n pl ace ; June 3 0, 201 7 Qia n, all included place regulati on upgrade a nd aggl omeration restr uct uring of enter prise by unified standard reg ulation in pl ace, late not standard of enterpri se are impleme ntation dis conti nue d; June 30, 2 018 Qian, all intends Park production of enterpri se relocati on Park i n pla ce, late not Park of are di scontinued. In the process of renovati on, wi ll focus on four as pects : to firmly clos e the high energy cons umption and heavy polluti on, hopeles s enter prise gover nance a nd pr oducti on li nes, elimi nated a number of yearly emission intensity, l ow value -adde d pr oducts of ba ckwar d production capa city. Second, we must stri ctly enforce t he s pace , total proj ect "Trinity" 。 能 效 大 最 挥 发 限 有 成 低 降 度 明 透 行 运 加 增 以 法 办 定 特 性 划 计 用 使 金 资 高 提 制 控 程 过 全 产 生 化 强 , 变 转 的 式 方 前 向 理 管 后 事 由 动 活 营 经 项 各 司 公 本 进 促 了 为 environme nt access sy stem, promoti ng industry a cce ss and envir onmental conditi ons of acce ss of enter prise s to the Park , industrial park, in principle, no l onger the clas s on the ne w project. T hirdl y, pr om oting re placement and reconstr ucti on of heav ily pol luting i ndustries, mergers a nd re organizat ions, g uide enterpri ses to e nerg y cons ervation, recycli ng and low -car bon and clea n pr oduction, and improv e the level of gree n devel opme nt. Four to establis h a long-term s upervi sion mechanism, i ncrea se the i ntensity of spe cial inspe ctions, inve stigate and punish t he rectificati on i s not i n place, normal busine ss of runni ng anti -polluti on i nstallations do not. (Iii) linkage to pr omote flood control wate r, drainage, water suppl y, impr oving water savi ng. Spee d up cross Yang s upport river dike reinforcement, and along Pu seawall except insura nce rei nforceme nt, and Lake Qian s lui ce, and BA Cao sl uice , and cloud cover res ervoir, focus flood control drai nage e ngineeri ng constr ucti on, vigor ously All localities and departments to

implementation "strong li brary" "solid di" "s pread row" e ngine ering, i ncreas ed geological disa ster hidde n poi nts gover nance efforts, s olid adva nce small ba sin torre nt disa ster governa nce , efforts from essentially sol ution basi n sex , and regional flood control drainage capa city ins ufficient of pr obl e m. V igorously impleme nt the pi ers, algae a nd ot her water s ource s prote ction and, pr omoting rural drinki ng water safety proje cts, s etting up water prici ng reform and e nvironmental pr otect i on mechani sm, gui ding water depth. Further s oil poll ution a nd re pair, strengthe n agricultural non -point s ource poll ution preve ntio n, mountain, wate r, forests, fields, lakes, vari ous elements mut ual long. Four, manage t o tighten contr ol, to play "thre e to spl it" battle. Xia Baol ong , Secretary of pr ovincial party Committee stressed t hat whil e the "three to split" operation time i s over three year s, but "three to split" must conti nue to catch on, a nd re solve a s plit ca nnot be cha nged. the village and "no una uthorised" cre ated




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