**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............................................32.4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...........................................193.2.1设计概况........................................................193.2.2设备选型及施工工艺选择..........................................193.2.3施工工艺流程....................................................193.2.4主要施工工艺方法................................................203.2.5施工注意事项及控制要点..........................................263.3地下连续墙施工方案...........................................283.3.1地下连续墙施工工艺图............................................283.3.2地下连续墙施工工艺流程图........................................283.3.3工程测量........................................................303.3.4导墙施工........................................................303.3.5成槽施工........................................................333.3.6钢筋笼制作和吊放................................................363.3.7泥浆系统........................................................393.3.8砼施工..........................................................403.4三轴搅拌桩施工方案...........................................413.4.1基本要求........................................................413.4.2障碍物清理......................................................423.4.3测量放线........................................................423.4.4开挖沟槽........................................................423.4.5桩机就位........................................................423.4.6三轴搅拌桩施工顺序..............................................443.4.7水泥土配合比....................................................443.4.8制备水泥浆液及浆液注入..........................................443.4.9钻进搅拌........................................................443.4.10清洗、移位.....................................................453.4.11报表记录.......................................................453.5高压旋喷桩施工方案...........................................463.5.2施工工艺参数....................................................473.5.3质量保证措施....................................................473.5.4质量控制要点....................................................483.6基坑支撑施工方案.............................................493.6.1支撑概况................
