目录第一章编制依据......................................................................................................................................................1第二章工程概况.....................................................................................................................................................12.1概述.....................................................................................................................................................................12.2工程地质和水文地质.........................................................................................................................................22.2.1工程地质条件..............................................................................................................................................22.2.2水文地质条件..............................................................................................................................................52.3气候条件.............................................................................................................................................................72.4降水目的及方法.................................................................................................................................................7第三章降水方案设计.............................................................................................................................................83.1防水控制要求.....................................................................................................................................................83.1施工降水方案概况.............................................................................................................................................83.2基坑涌水量计算.................................................................................................................................................93.2.1参数选择......................................................................................................................................................93.2.2降水方案....................................................................................................................................................103.3降水设计参数...................................................................................................................................................103.4降水井的布置...................................................................................................................................................113.5地面沉降监测...................................................................................................................................................123.6降水引起的地面沉降控制...............................................................................................................................123.7其他降排水施工措施.......................................................................................................................................13第四章施工方法与施工组织...............................................................................................................................144.1技术要求........................................................................
