重庆轨道环线二期工程土建一标四公里停车场海峡路一侧边坡支护预应力锚索工程安全专项施工方案中铁二十二局集团重庆轨道环线二期土建一标项目经理部二零一五年七月目录一.工程概况.................................................................11.1工程概况...............................................................11.2施工平面布置...........................................................61.3施工要求...............................................................61.4技术保证条件...........................................................61.5危险源识别.............................................................7二.编制依据.................................................................7三.施工计划.................................................................83.1施工进度计划...........................................................83.2人员及机械设备计划.....................................................9四.施工工艺技术............................................................104.1技术参数..............................................................104.2工艺流程..............................................................114.3施工方法..............................................................124.3.1场地清理..........................................................124.3.2分层土石方开挖....................................................124.3.3锚孔位置放样......................................................134.3.4钢管脚手架施工....................................................134.3.5钻孔..............................................................164.3.6测孔深度..........................................................174.3.7锚孔清理..........................................................174.3.8锚孔检验..........................................................174.3.9锚索体制作安装....................................................184.3.10锚固段注浆.......................................................204.3.11锚墩施工.........................................................214.3.12锚索张拉及锁定...................................................224.3.13自由段注浆.......................................................244.3.14封锚.............................................................244.4锚杆试验..............................................................244.5检查验收..............................................................25五.施工安全保障措施........................................................265.1组织保障..............................................................265.2技术措施..............................................................285.2.1土石方开挖........................................................285.2.2脚手架搭设........................................................285.2.3脚手架拆除........................................................295.2.4钻孔施工..........................................................305.2.5钢绞线制作安装施工................................................315.2.6张拉施工..........................................................315.2.7灌浆施工..........................................................325.2.8封锚施工..........................................................335.3应急预案及措施........................................................335.3.1危险源辨识与监控........................................
