1黄岩旅游周转中心及配套旅游基础设施垂直观光电梯工程人工挖孔桩安全专项施工方案目录1工程概况..........................................................................................................11.1施工介绍...............................................................................................11.2工程简介...............................................................................................11.3工程地质及水文地质...........................................................................21.3.1工程地质....................................................................................21.3.2水文地质....................................................................................31.3.3地震动参数................................................................................41.4结构设计原则.......................................................................................51.5施工环境...............................................................................................61.6人工挖孔灌注桩工程概况...................................................................71.7人工挖孔灌注桩施工要求和技术保证措施.......................................72编制说明及依据..............................................................................................92.1编制说明...............................................................................................92.2编制依据...............................................................................................93施工计划........................................................................................................113.1施工进度计划.....................................................................................113.2材料配备计划.....................................................................................113.3机械配备计划.....................................................................................114施工工艺技术................................................................................................134.1人工挖孔桩工艺流程.........................................................................134.2施工准备.............................................................................................144.3施工方法.............................................................................................154.3.1分步开挖..................................................................................154.3.2安放钢筋笼..............................................................................194.3.3浇注混凝土..............................................................................224.3.4桩身混凝土养护......................................................................232黄岩旅游周转中心及配套旅游基础设施垂直观光电梯工程人工挖孔桩安全专项施工方案4.3.5孔内降水措施..........................................................................234.3.6雨季施工措施..........................................................................244.3.7冬季施工措施..........................................................................254.3.8遇见特殊地质等施工措施......................................................264.4检查验收.............................................................................................275施工安全保证措施...............................................
