1布心项目城市更新单元（一期）基坑支护及土石方工程施工组织设计方案第一章编制说明.................................................................1第一节编制依据..............................................................1第二节编制说明..............................................................2第三节施工目标..............................................................3第二章工程概况.................................................................3第一节工程地质和水文地质条件................................................3第二节工程概述..............................................................4第三节本工程重点、难点分析..................................................5第三章施工部署...................................................................6第一节施工总体部署..........................................................6第二节施工工艺流程..........................................................6第三节施工技术管理..........................................................7第四章施工管理机构和劳动力计划..................................................8第一节施工组织管理机构......................................................8第二节本工程项目组织人员一览表..............................................9第三节劳动力使用计划.......................................................10第五章施工进度计划及工期安排...................................................11第一节总工期...............................................................11第二节施工进度计划安排.....................................................13第六章施工机械设备和材料.......................................................13第七章施工现场总平面布置.......................................................15第一节现场平面布置说明.....................................................15第二节施工现场总平面布置图.................................................16第三节临时用水用电.........................................................16第八章施工准备................................................................17第一节技术准备工作.........................................................17第二节施工机具材料准备.....................................................18第三节现场准备.............................................................18第四节防雨、消防设施准备...................................................19第五节现场移交准备，办理开工手续...........................................19第九章主要施工方案及技术措施...................................................19第一节施工测量及场地清理...................................................19第二节排水工程及变形观测...................................................20第三节人工挖孔桩的施工.....................................................21第四节旋挖灌注桩...........................................................24第五节旋喷桩施工...........................................................32第六节土钉墙的施工.........................................................37第七节预应力锚索的施工.....................................................40第八节冠（腰）梁的施工.....................................................42第十章基坑监测..................................................................45第一节概述.................................................................45第二节观测具体方法......................................................
