宁波轨道交通2号线一期工程TJ2111标合同段冲击钻施工方案编制：审核：批准：时间：宁波市轨道交通2号线一期工程TJ2111标项目经理部目录一、总则.....................................................................................................................................-4-1、编制目的........................................................................................................................-4-2、编制依据........................................................................................................................-4-3、编制原则........................................................................................................................-5-二、工程概况..............................................................................................................................-5-1、工程简介........................................................................................................................-5-2、地质概况........................................................................................................................-5-3、气象条件........................................................................................................................-6-4、参建单位......................................................................................................................-6-三、冲击钻施工方案..................................................................................................................-7-1、冲击钻工艺流程............................................................................................................-7-2、施工准备........................................................................................................................-8-2.1技术准备................................................................................................................-8-2.2机械设备准备........................................................................................................-8-2.3测量准备................................................................................................................-9-2.4试验准备................................................................................................................-9-2.5物质材料准备........................................................................................................-9-2.6施工场地布置........................................................................................................-9-2.7测量放样................................................................................................................-9-2.8钢护筒制作及埋设................................................................................................-9-2.9钻机就位................................................................................................................-9-3、钻进成孔......................................................................................................................-10-3.1泥浆制备..............................................................................................................-10-3.2钻进......................................................................................................................-11-3.3地质情况记录.........................................................................
