正本基坑支护与降水工程专项施工方案工程名称：地下车库工程地点：施工单位：建设有限公司编制单位：建设有限公司编制日期：目录一、编制依据及编制原则.....................................................................................................................-5-1、编制目的...................................................................................................................................-5-2、编制依据...................................................................................................................................-5-3、编制原则...................................................................................................................................-6-二、工程基本情况简介.........................................................................................................................-6-1、工程概况...................................................................................................................................-6-01、建筑物概况.....................................................................................................................-6-02、基坑平面布置图..............................................................................................................-7-03、基坑概况.........................................................................................................................-8-2、场地工程地质、水文地质条件................................................................................................-8-01、地貌与地层情况..............................................................................................................-8-02、水文地质条件................................................................................................................-10-03、基坑支护设计参数........................................................................................................-10-3、周边已有建筑及市政设施等环境条件..................................................................................-11-01、基坑周边环境................................................................................................................-11-02、基坑周边管线分布........................................................................................................-11-03、基坑周边料场分布........................................................................................................-11-4、设计依据及设计目标..............................................................................................................-12-5、设计计算书.............................................................................................................................-13-01、支护单元一（AB、CD段）........................................................................................-13-02、支护单元二（EF段）..................................................................................................-31-03、支护单元三（AF、DE段）........................................................................................-43-04、支护单元四（BC段）..................................................................................................-47-05、降水计算.......................................................................................................................-51-6、设计方案...........
