XX至XX高速公路一分部桥梁桩基施工技术方案中交XX工程局有限公司XX至XX高速公路一分部项目经理部XXXX年X月XX日XX高速公路一分部项目经理部XX高速公路一分部桥梁桩基施工技术方案编制人：复核人：审批人：XX工程有限公司XX高速公路一分部项目经理部XXXX年XX月XX日目录一、编制原则和编制依据.......................................................................................-1-1、编制原则..........................................................................................................-1-2、编制依据..........................................................................................................-1-二、施工总体概况...................................................................................................-2-1、工程简介..........................................................................................................-2-2、地形、地貌......................................................................................................-3-3、水文气象..........................................................................................................-3-4、管理机构..........................................................................................................-4-5、机械进场情况和计划安排..............................................................................-4-6、劳动力安排......................................................................................................-5-7、原材料..............................................................................................................-5-三、冲孔桩施工技术方案.......................................................................................-6-1、测量放桩..........................................................................................................-6-2、护筒埋设..........................................................................................................-6-3、造浆..................................................................................................................-7-4、冲击成孔..........................................................................................................-8-6、钢筋加工及安装............................................................................................-10-7、吊放导管........................................................................................................-11-8、二次清孔........................................................................................................-12-9、水下砼灌浇注................................................................................................-12-10、钻孔桩基施工注意事项..............................................................................-13-11、破除桩头......................................................................................................-14-12、基桩检测......................................................................................................-14-13、施工工艺流程图........................................................................................-15-四、人工挖孔桩施工技术方案.............................................................................-16-1、放线、定桩位及高程....................................................................................-16-2、开挖第一节桩孔土方.........................................
