高层住宅楼及地下车库降水工程施工方案

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1、玫瑰湾二期七标段工程降水施工方案目录1、工程概况·····················································31.1工程基本概况···················································31.2场地地质条件··················································31.3场地水文地质条件··············································41.4工程降水施工的目的及

2、任务·······································42、编制依据·······················································53、工程降水施工方案··············································53.1工程降水施工条件分析···········································53.2工程降水施工方法的确立······································

3、···63.3降水井埋置深度的确定···········································622玫瑰湾二期七标段工程降水施工方案3.4工程降水水文地质参数的确定·····································73.5基坑涌水量计算·················································83.6单井出水能力、降水井数量的确定··································93.7降水井平面位置的确定···········

4、·······························103.8基坑内降深值验算··············································113.9达到设计降深时间预测··········································113.10降水井施工方案···············································123.11排水施工方案·················································12

5、3.12抽水试验、降水运行及水位监测··································134、减少工程降水对基坑周边环境影响的技术措施·················154.1工程降水对基坑周边环境影响预测及防治措施·······················1522玫瑰湾二期七标段工程降水施工方案4.2基坑周边环境的监控措施·····································164.3确保地基土不受振动的技术措施·······························164.4井点降

6、水影响范围内地面及附着物沉降量估算···················174.5井点降水影响范围内地面及附着物沉降的防范措施···············185、基坑降水工程施工方案总结·································196、基坑降水施工组织设计方案···································196.1降水施工质量的技术保证措施·································196.2施工组织部署和协调管理·························

7、············206.3施工技术措施···············································206.4施工应急预案···············································216.5主要设备材料供应及需要量计划·······························2322玫瑰湾二期七标段工程降水施工方案6.6质量保证体系及措施·········································246.7文明施工与环境保护措施···

8、··································257、参考文献···················································26附图：降水管井点平面布置图1幅