钻孔桩专项施工方案翻坝VIP免费

中交二公局三峡翻坝江北高速一标项目经理部钻孔桩施工方案目录1项目概况............................................................11.1工程概况..................................................11.2气象水文、地质地貌........................................21.2.1气象水文............................................21.2.2地质地貌............................................21.3工程特点..................................................22编制依据............................................................32.1编制依据..................................................32.2适用范围..................................................33施工计划............................................................33.1进度计划..................................................33.2劳动力计划................................................43.3设备配置计划..............................................44施工工艺............................................................54.1施工工艺流程..............................................54.2工艺要点及质量要求........................................54.3冲击钻灌注桩施工..........................................64.3.1桩位放样............................................64.3.2埋设钢护筒..........................................64.3.3开挖泥浆池..........................................64.3.4钻孔................................................74.3.5检孔................................................84.3.6清孔................................................84.3.7钢筋笼制作、安装....................................84.3.8安装导管............................................94.3.9二次清孔...........................................104.3.10灌注混凝土........................................104.3.11泥浆清理..........................................12PAGE\*MERGEFORMAT1中交二公局三峡翻坝江北高速一标项目经理部钻孔桩施工方案4.4桩身质量检测.............................................134.5季节性施工...............................................134.5.1冬季施工...........................................134.5.2雨期施工...........................................154.5.3热期施工...........................................155施工质量保证措施...................................................155.1质量管理体系及职责.......................................155.2.1组织管理体系.......................................155.2.2主要岗位管理职责...................................165.2质量控制要点.............................................175.2.1成孔护壁的质量控制.................................175.2.2桩身的质量控制.....................................185.3质量管控措施.............................................196施工安全保障措施...................................................196.1组织措施.................................................196.1.1组织机构设置.......................................196.1.2主要职责...........................................206.2管理措施.................................................226.3安全检查.................................................246.4监测监控.................................................246.4.1毒气监测...........................................246.4.2沉降观测...........................................256.4.3地下水位监测.......................................256.4.4观测周期...........................................267应急预案及处置措施................