目 录一、工程概况..................................................................................................................31.1 工程简介 .......................................................................................................... 3 1.2 场地与周边环境特征 ........................................................................................ 3 1.3 场地工程地质特征 .......................................................................................... 4 1.4 场地水文条件 .................................................................................................. 5 1 。 5 支护方案 ........................................................................................................ 6 1.6 基坑排水设计 .................................................................................................. 7 1.7 专项方案论证 .................................................................................................. 7 二、编制依据及原则 ...................................................................................................... 7 2.1 编制依据 ............................................................................................................ 7 2 。 2 编制原则 ........................................................................................................ 8 三、施工部署 .................................................................................................................. 9 3.1 工程目标 ............................................................................................................ 9 3 。 2 施工准备 ........................................................................................................ 9 四、施工方案 ................................................................................................................ 13 4.1 支护桩工艺流程 ...................................................................................
