中铁建设集团天津分公司第十七项目部基坑降水及土方开挖专项施工方案宝能现代科技广场基坑降水及土方开挖专项施工方案编制人：审核人：中铁建设集团有限公司天津分公司第十七项目部2012年6月1日中铁建设集团天津分公司第十七项目部基坑降水及土方开挖专项施工方案目录1．编制依据......................................................................................................................................................31.1基坑支护设计图纸...........................................................................................................................................31.2天津市科技委对基坑支护、降水设计方案的论证意见................................................................................31.3地质勘察报告..................................................................................................................................................31.4有关国家及地方的规范、规程.......................................................................................................................32．工程概况......................................................................................................................................................42.1工程概述..........................................................................................................................................................42.2周围环境概述..................................................................................................................................................82.3基坑支护设计概述...........................................................................................................................................82.4工程地质概述................................................................................................................................................112.5水文地质条件................................................................................................................................................152.6土方开挖施工难点、特点.............................................................................................................................152.7施工组织管理机构、人员配置及职责.........................................................................................................162.8资源配置计划................................................................................................................................................173．土方开挖方案.............................................................................................................................................183.1施工准备........................................................................................................................................................183.2土方开挖方法................................................................................................................................................183.2.1第一阶段土方开挖.................................................................................................................................193.2.2第二阶段土方开挖.................................................................................................................................213.2.3第三阶段土方开挖........................................................................................
