西城快线(北站路至疏港大道）公路工程第二标段（K1+300～K4+300）CFG桩施工技术方案中国铁建港航局集团有限公司西城快线公路工程第二合同段项目经理部二0一七年六月二十一日目录一、编制说明.............................................................................................................................31.1编制依据......................................................................................................................31.2编制原则......................................................................................................................31.3编制范围......................................................................................................................4二、工程概况.............................................................................................................................52.1项目简介......................................................................................................................52.2项目地质情况..............................................................................................................52.3本项目CFG桩工程数量及检测数量..........................................................................62.4项目CFG桩布置情况..................................................................................................9三、施工准备...........................................................................................................................123.1材料供应及技术要求................................................................................................123.2人员组织....................................................................................................................133.3机械设备布置............................................................................................................143.4进度计划....................................................................................................................14四、CFG桩工艺流程图............................................................................................................17五、主要施工方法及技术要求...............................................................................................185.1平整场地，清除障碍物............................................................................................185.2放桩位........................................................................................................................185.3钻进成孔....................................................................................................................185.4泵送混合料................................................................................................................195.5移机............................................................................................................................195.6破桩头........................................................................................................................205.7托板施工....................................................................................................................20六、CFG桩检验........................................................................................................................216.1检验事项及要求................................................................................
