多层航站楼基坑支护施工方案（土钉墙）正文目录基坑支护部份一、前言.....................................................................................31.1 、工程概况 ...........................................................................................31.2 、基坑安全等级 .....................................................................................31.3 、支护方案的选择 .................................................................................31.4 、场地地质条件 .....................................................................................3二、设计计算................................................................................52.1 、设计计算 ...........................................................................................52.2 、设计计算结果 .....................................................................................6三、施工工艺................................................................................83.1 、主要设备 ...........................................................................................83.2 、材料计划 ...........................................................................................83.3 、施工流程 ...........................................................................................8四、基坑变形观测与应急措施.............................................................94.1 、变形观测安排 .....................................................................................94.2 、观测项目与控制值 ............................................................................104.3 、应急措施 .........................................................................................10五、施工组织机构........................................................................115.1 、组织机构 .........................................................................................115.2 、主要施工人员配备 ................................................................
