中铁佰和佰樂巢湖国际健康部落一期工程人工挖孔桩专项施工方案项目总工：项目经理：中铁佰和佰樂巢湖国际健康部落一期工程项目经理部二〇一六年十月十八日中铁佰和佰樂巢湖国际健康部落一期工程人工挖孔桩工程施工方案编号：版本号：发放编号：编制：复核：审核：批准：有效状态：中铁佰和佰樂巢湖国际健康部落一期工程项目经理部二〇一六年十月十八日目录1.编制依据.........................................................42.工程概况.........................................................42.1工程设计简况................................................42.2人工挖孔桩设计..............................................52.3水文地质情况................................................83.施工重难点分析...................................................94.施工进度计划....................................................105.资源配置计划....................................................106.施工顺序.......................................................117.挖孔桩施工工艺技术..............................................117.1施工前的准备工作...........................................117.2施工测量...................................................127.3人工挖孔桩试桩.............................................127.4人工挖孔桩成孔施工.........................................127.4.1桩基施工方法..........................................127.4.2工程桩开挖施工方法....................................137.4.3流砂、流泥成孔施工方法...............................157.4.4护壁施工..............................................157.4.5终孔检查..............................................167.4.6挖孔注意事项..........................................167.4.7质量要求..............................................167.5人工的挖孔桩钢筋笼制作安装.................................167.5.1施工前应具备的条件：..................................167.5.2工艺流程：............................................177.5.3钢筋笼制作：..........................................177.5.4钢筋吊装：............................................177.5.5钢筋笼隐蔽检查：......................................177.5.6钢筋笼制作允许偏差：..................................177.6人工挖孔桩桩芯砼施工.......................................177.7桩基检测...................................................187.8声测管埋设要求.............................................197.9质量标准...................................................198．确保质量的技术措施：...........................................219．雨季保证措施...................................................229.1雨季期间施工部署原则.......................................229.2雨季施工准备工作...........................................229.3注意事项...................................................239.4排水措施...................................................2310．安全用电技术保证措施.........................................2411．确保安全的技术措施...........................................2411.1安全管理制度..............................................2411.2施工过程中的安全要求：....................................2511.3施工用电..................................................2511.4钢筋机械要求..............................................2611.5潜水泵要求................................................2612．质量通病预防措施：............................................2613．环保水保措施：....................................
