珠海市富山工业园科创中心基坑支护及软基处理工程土方专项施工方案目 录一、编制依据...........................................................................................2二、工程概况...........................................................................................21.工程地质条件..................................................................................22.水文地质..........................................................................................53.工程目标..........................................................................................7三、基坑围护设计概况...........................................................................71.基坑围护...........................................................................................72.基坑排水..........................................................................................8四、施工部署及施工计划.....................................................................101.施工部署.........................................................................................102.项目组织机构................................................................................123.施工计划........................................................................................13五、施工方案及技术措施.....................................................................131.土方开挖施工流程.........................................................................132.出土口及出土便道设置...............................................................143.土方开挖的技术措施....................................................................174.土方开挖中遇到的问题及相应的处理方法..............................205.基坑土方开挖对工程桩及支护结构的保护措施......................216.基坑顶边缘超载的控制措施.......................................................227.基坑支护土方开挖期危险源的辨识与控制措施.....................22六、基坑监测.............................................................................
