上海虹口区121号地块（豪景苑）项目基坑施工组织设计目录一、编制依据.....................................................................11.本工程基坑围护设计图纸.......................................................12.本工程主体结构设计图纸.......................................................13.本工程岩土工程勘察报告.......................................................14.现行国家、行业及地方施工技术规范及有关规定...................................1二、工程概况.....................................................................21.基本概况.....................................................................22.基坑周边环境.................................................................23.岩土工程地质.................................................................34.建筑结构概况.................................................................45.基坑围护概况.................................................................46.降水概况.....................................................................67.挖土概况.....................................................................6三、工程难点和对策...............................................................81.地质复杂，围护止水质量是关键.................................................82.周边环境复杂，历史保护建筑多，对施工质量、安全提出了更高的要求...............83.工程量大，工期紧.............................................................84.文明施工要求高...............................................................95.安全监测要求高...............................................................96.狭小场地的制约...............................................................9四、施工总体筹划及流程..........................................................111.总体目标....................................................................112.施工平面布置................................................................113.临水、临电、临时设施布置....................................................114.塔吊布置....................................................................111上海虹口区121号地块（豪景苑）项目基坑施工组织设计5.工作量统计..................................................................116.施工机械配置................................................................127.总体施工流程................................................................138.施工前准备..................................................................149.劳动力计划表................................................................15五、基坑工程施工工艺............................................................161.测量方案....................................................................162.基地地质及现场障碍物等处理..................................................163.三轴水泥土搅拌桩施工........................................................164.双轴水泥土搅拌桩施工........................................................195.高压旋喷桩施工..............................................................226.压密注浆施工................................................................237.钻孔灌注桩施工..............................................................248.基坑降水方案................................................................299.基坑土方开挖方案............................................................3310.混凝土支撑施工...
