虎林排水系统新建工程项目基坑降水专项施工方案上海建工二建集团有限公司1ShanghaiConstructionNo.2（Group）Co.,Ltd虎林排水系统新建工程项目2016年04月第2页共41页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共41页目录第一章综合说明........................................-4-1工程概述...........................................................................................................-4-1.1工程概况..........................................................................................................................-4-1.2基坑工程概况..................................................................................................................-4-1.3围护设计概况..................................................................................................................-5-1.4参建单位..........................................................................................................................-6-2环境地质概况...................................................................................................-6-2.1环境概况..........................................................................................................................-6-2.2地形地貌........................................................................................................................-10-2.3工程地质情况................................................................................................................-10-2.4不良地质条件特殊性岩土............................................................................................-11-3水文地质概况.................................................................................................-11-3.1区域水文地质条件........................................................................................................-11-3.2地表水.............................................................................................................................-12-3.3地下水.............................................................................................................................-12-4围护设计方案..................................................................................................-13-5基坑降水设计..................................................................................................-16-5.1相关资料.........................................................................................................................-16-5.2使用规范.........................................................................................................................-16-5.3基坑降水设计参数.........................................................................................................-17-5.4基坑稳定性分析.............................................................................................................-17-5.5工程地下水风险分析及应对措施.................................................................................-19-第3页共41页第2页共41页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共41页5.6降水方案选型.................................................................................................................-19-第二章基坑降水施工组织..............................-23-1深井降水施工部署...............................................................
