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**地块办公用房项目桩基及基坑围护工程施工组织设计**基础工程有限公司二○一七年七月七日目录第一部分、工程概况..........................................11.1一般概况.......................................................11.2施工组织设计编制依据........................................2第二部分、施工部署..........................................32.1工程施工目标...................................................32.2施工总体流程安排...............................................32.3工程特点与相应措施.............................................42.4施工现场布置...................................................52.5工程施工进度计划...............................................62.6主要施工机械设备配备计划.......................................82.7劳动力配备计划.................................................82.8主要材料配备及进场计划.........................................82.9项目部管理人员配置.............................................8第三部分、主要施工方案.....................................103.1钻孔灌注桩施工方案.............................................103.2立柱钻孔桩施工方案............................................183.2.1设计概况.........................................................183.2.2设备选型及施工工艺选择...........................................183.2.3施工工艺流程.....................................................183.2.4主要施工工艺方法.................................................193.2.5施工注意事项及控制要点...........................................253.3地下连续墙施工方案............................................273.3.1地下连续墙施工工艺图.............................................273.3.2地下连续墙施工工艺流程图.........................................283.3.3工程测量.........................................................293.3.4导墙施工.........................................................293.3.5成槽施工.........................................................323.3.6钢筋笼制作和吊放.................................................353.3.7泥浆系统.........................................................383.3.8砼施工...........................................................393.4三轴搅拌桩施工方案............................................403.4.1基本要求.........................................................403.4.2障碍物清理.......................................................413.4.3测量放线.........................................................413.4.4开挖沟槽.........................................................413.4.5桩机就位.........................................................413.4.6三轴搅拌桩施工顺序...............................................433.4.7水泥土配合比.....................................................433.4.8制备水泥浆液及浆液注入...........................................433.4.9钻进搅拌.........................................................433.4.10清洗、移位......................................................443.4.11报表记录........................................................443.5高压旋喷桩施工方案............................................453.5.2施工工艺参数.....................................................463.5.3质量保证措施.....................................................463.5.4质量控制要点.....................................................473.6基坑支撑施工方案.............................