地下连续墙总结天泰路站.docx

1、地下连续墙总结天泰路站 上海建科工程咨询有限公司 监理质量总结 工程名称：天津地铁6号线工程土建监理第2合同段项目部 专业名称：地下连续墙（天泰路站） 2013年5月3日目 录 一、工程概况 二、地连墙施工概述 三、地连墙施工监理控制要点及方法 四、地连墙施工情况 五、附表1、工程概况：天泰路站车站中心里程DK14+439.859，车站总净长195m，标准段净宽20.3m，为地下二层13m宽岛式站台车站。主体采用双柱三跨框架结构，车站覆土厚约2.5m。标准段基坑开挖深度约为16.6m，端头井基坑开挖深度约为18.6m，采用明挖顺筑法施工，主体围护结构采用800厚地下连续墙,共80幅墙。部 位地

2、墙厚度（mm）地墙长度（m）墙顶标高（m）接头型式标准段80032.02.30锁口管端头井80032.02.30锁口管2、地连墙施工概述： 天泰路站地下连续墙于2012年7月21日开始施工，2012年9月20日完成49幅，因联谊里居民提出大里程端头井离房屋太近阻挠施工，小里程端头井处热力管线、通讯管线、给水、排水及电力管线需要切改，道路需要导行等使地下连续墙施工处于全面停工状态。2013年3月11日地下连续墙重新开始施工，2013年4月17日完成全部地下连续墙80幅，总方量为11826方，混凝土强度等级为C30P8(水下)。本工程前期使用大型机械金泰SG46液压连续墙抓斗式成槽机一台，履带式起

3、重机两台，其中主吊QUY-130，副吊QUY-70。后期使用大型机械宝峨GB30液压连续墙抓斗式成槽机一台；履带式起重机两台，其中主吊SCC1000C-130，副吊QUY-70，泥浆分离器一台，型号为ZX-200。3、地连墙施工质量监理控制标准及要点工序控制要点控制值（mm）监理方法导墙内墙面与地墙纵轴线平行度10复核轴线钢筋验收模板验收砼浇筑旁站导墙宽度W+40墙面平整度3顶面平整度5内墙面垂直度5钢筋笼制作长度50巡查钢筋笼制作、安装钢筋笼隐蔽验收宽度20厚度0，-10主筋间距10分布筋间距20预埋件中心位置10成槽中心偏差30成槽过程中巡查超声波检测旁站刷壁旁站深度+100厚度不小于设计

4、规定垂直度3沉渣厚度100泥浆新鲜泥浆比重1.051.10泥浆性能检测清空后泥浆比重1.20砼浇筑坍落度180220砼浇筑旁站扩散度340380 导管埋深26m四、地连墙施工情况4.1、地连墙材料情况： 钢筋原材进场前报验，监理现场验收并按规范要求见证取样送至有资质的材料检测中心检测，检测合格后方允许施工使用；砼进场检测砼坍落度、扩散度等，按照规范要求留置砼试块。钢筋原材、焊接试验及监理平行检测结果合格，各项资料齐全。钢筋原材检测规格数量（t）应检数量（组）平行检测数量（组）检测结果281254212合格209321合格1624551合格各种焊接检测规格数量应检数量（组）平行检测数量（组）检测

5、结果闪光对焊2818100614合格混凝土试块试块数量应检数量（组）平行检测数量（组）检测结果抗压试块80幅804合格抗渗试块80幅161合格4.2、地连墙施工过程中泥浆性能情况 泥浆性能控制是地连墙施工质量控制中非常重要的一个环节，监理在地连墙施工过程中严格控制新浆、成槽过程中循环浆以及二清后泥浆的各项性能（详见附表一）。4.3、地连墙施工过程情况 地连墙施工过程中成槽施工、钢筋笼吊装、砼浇筑施工，监理严格控制成槽深度、垂直度、钢筋笼质量验收、钢筋笼吊装、砼浇筑质量等（详见附表二）。附表1 地连墙施工过中泥浆性能控制 墙号新浆成槽过程中泥浆二次清孔后泥浆比重（g/cm3）粘度(s)PH值比重

6、（g/cm3）粘度(s)含砂率PH值比重（g/cm3）粘度(s)含砂率PH值1S181.092481.2024481.1423482S191.082391.2225481.1623383S171.062091.2528681.1526584S201.072381.1924591.1321585S161.082381.2326791.1423686S241.122381.2326681.1324487S151.072281.2223591.1123388S251.092281.2024681.1622389N241.052381.2126881.14226810S231.062691.22257

7、91.12245811N251.122381.2327681.15244812S261.072391.1923591.16214813N261.112381.2125691.14234814S211.072271.1823781.13205815N231.102381.2428691.16255916S271.202381.2225681.14224817N271.122381.2426781.18255918S221.072391.2229591.17253819W31.062471.2528791.14256820N221.092371.2424581.15214821S281.11247

8、1.2326881.13246822W41.102371.1927681.15244823N281.122571.2028591.14254824N211.082381.1826791.11244825W21.102481.1927681.11243826S291.092571.2528981.15257827W11.132581.2628891.17246828S141.092581.2327691.15243829N201.092371.2126581.13243830W51.062571.2525691.17243831S131.082381.2227891.14254832N291.0

9、72281.2323681.14205833S121.062381.2522581.18193934N191.082381.2523691.16204835S111.052281.2624891.17245936S101.092381.2723691.20214937N181.092281.3023791.16203838S91.082391.2525791.15214839N91.082181.2323691.13204940N171.102091.2424791.15207841N81.082081.2526781.14213942N161.072081.2225581.14214843N

10、101.072291.2127591.13223944N151.072181.2426481.12233945N111.052181.2425681.13224946S81.052391.2026781.15233947N141.092381.2124591.14223948N121.072081.2426591.15243949N131.102191.2427691.15243950S71.082381.2125591.12233851N71.072281.2125681.14224852S61.092281.2525581.13243853N61.082381.2526581.142438

11、54S51.102481.2527591.08213855N51.102381.2225991.19242856S41.072081.2126791.15242857N41.051981.2121481.09192858N341.092181.1924691.14224859W61.111991.2124591.12233860N301.072181.2125491.11233861S341.092081.2323781.13226862N311.102081.2624781.16204863S301.091981.2123891.13195864S311.102091.2725691.182

12、24865S311.081981.2823681.18193866S331.091981.2126891.13234867N331.112381.2123681.14193868S321.071981.2422581.14224969S31.072281.1423581.07213870N31.102081.2423581.17214871S21.071981.2422491.14193872N21.101981.2524581.14204873S11.061981.322481.12203874N11.071981.3523591.14213875E61.071981.2322681.132

13、03976E11.062181.2224481.11233877E51.091981.2523591.15194878E21.092081.2224691.13224879E41.102181.2525581.15234880E31.072081.2225691.122248附表2墙号成槽 钢筋笼吊装砼浇筑备注时间深度（m）垂直度（）U型钢筋下放标高时间理论方量实际方量充盈系数试块留置（合格）1S187-20 21:007-21 8:0532.032.032.01.541.671.69顺直-29.707-21 21:507-22 3:001301341.04抗压一组2S197-22 12:00

14、7-22 20:0032.132.032.21.521.631.68顺直-29.707-23 2:307-23 7:501501561.04抗压一组抗渗一组3S177-23 8:287-23 19:2032.232.132.31.51.521.61顺直-29.707-24 2:307-24 7:301501561.04抗压一组4S207-24 12:327-24 17:5832.232.332.31.531.511.53顺直-29.707-25 3:007-25 7:001491501抗压一组5S167-25 9:307-25 17:1032.232.432.31.511.51.52顺直-29

15、.707-25 23:357-26 4:301501521.01抗压一组6S247-26 19:307-26 1:5032.231.532.21.491.511.53顺直-29.707-27 11:107-27 17:301341361.02抗压一组抗渗一组7S157-27 11:007-27 16:4632.432.231.51.531.491.51顺直-29.707-28 7:107-28 12:001501501抗压一组8S257-28 9:057-28 17:4332.031.6032.01.511.511.53顺直-29.707-29 0:377-29 3:501501501抗压一组

16、9N247-29 9:127-29 18:4132.232.132.31.721.481.52顺直-29.707-30 0:557-30 6:001341401.05抗压二组10S237-30 8:407-30 15:0732.132.032.21.511.491.51顺直-29.707-30 9:557-31 14:101501501抗压一组11N258-2 0:108-2 5:4532.232.232.21.471.521.49顺直-29.708-2 12:558-2 17:101501501抗压一组抗渗一组12S268-2 10:078-2 18:4032.332.232.31.511.

17、491.5顺直-29.708-3 9:308-3 15:401501501抗压一组-26m处堵管13N268-3 9:008-3 15:2032.232.132.21.481.511.49顺直-29.708-4 1:108-4 10:301501490.99抗压一组西侧混凝土浇筑深度不够，离导墙面高度约为1.52.4m14S218-4 0:308-4 7:4032.232.332.31.481.491.53顺直-29.708-4 21:308-5 0:301501551.0抗压一组15N238-4 22:008-5 5:2932.232.232.21.511.481.51顺直-29.708-5

18、 14:308-5 19:151501601.11抗压一组16S278-5 12:308-5 19:0032.232.232.11.521.531.49顺直-29.708-6 4:308-6 9:001501490.99抗压一组抗渗一组17N278-6 4:208-6 11:2032.332.532.51.491.481.53顺直-29.708-7 20:308-7 23:301501490.99抗压一组18S228-6 15:408-6 22:1532.532.732.81.521.511.48顺直-29.708-7 9:308-7 13:30157.61601.02抗压一组19W38-7

19、7:308-7 17:0532.332.232.21.491.521.53顺直-29.708-8 6:508-8 12:001241261.02抗压一组20N228-8 6:008-8 12:5032.532.532.31.511.491.53顺直-29.708-9 0:208-9 4:001501501抗压一组21S288-9 8:208-9 14:3032.532.232.31.481.511.51顺直-29.708-9 23:308-10 3:351491501.01抗压一组抗渗一组22W48-9 14:508-9 22:2532.232.232.11.511.491.53顺直-29.7

20、08-10 13:508-10 17:201401401抗压一组23N288-10 6:308-10 14:3532.832.632.61.521.491.48顺直-29.708-11 00:008-11 3:401501501抗压一组24N218-10 2:008-10 8:3032.532.532.41.491.471.52顺直-29.708-11 23:008-12 3:201491501.01抗压一组25W28-11 15:008-11 22:3132.132.232.01.521.481.51顺直-29.708-12 10:408-12 14:201401401抗压一组26S298-12 7:108-12 13:5532.432.332.41.471.481.51顺直-29.708-13 1:458-13 5:401491551.04抗压一组抗渗一组27W18-13 5:498-13 13:0032.332.51.481.49顺直-29.708-13 22:408-14 2:201071111.04抗压一组28S148-14 18:458-15 0:2432.032.032.11.511.491.52顺直-29.708-15 10:508-15 1