上海中心大厦项目工程主楼钻孔灌注桩施工方案第1页目录1工程概况.................................................................................................................................11.1概况...................................................................................................................................11.2工程参建单位...................................................................................................................11.3设计要求...........................................................................................................................21.4水文地质条件...................................................................................................................31.5主楼桩施工质量目标.......................................................................................................41.6编制依据...........................................................................................................................52施工部署及进度安排..............................................................................................................62.1施工总体流程...................................................................................................................62.2施工进度计划...................................................................................................................72.3施工场地布置...................................................................................................................72.4设备材料使用计划...........................................................................................................82.4.1设备投入计划.................................................................................................................................82.4.2主要材料计划.................................................................................................................................83钻孔桩成桩施工......................................................................................................................93.1工艺概况...........................................................................................................................93.2施工工艺流程.................................................................................................................103.2.1施工准备.......................................................................................................................................103.2.2测量放样.......................................................................................................................................103.2.3钢护筒制作、埋设.......................................................................................................................113.2.4泥浆...............................................................................................................................................113.2.5成孔...............................................................................................................................................133.2.6清孔...............................................................................................................................................133.2.7钢筋笼.........................................................................................
