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三大桥（河西）交通优化及环境综合整治工程挡土墙安全专项施工方案编制：审核：批准：中国十七冶集团三大桥（河西）交通优化及环境综合整治工程项目经理部2017年1月8日目录第一章工程概况.....................................................11.工程概况.....................................................12.自然条件.....................................................13．施工目标.....................................................14．危险源类别控制...............................................15.工程特点、难点及可预见风险...................................26.施工平面布置图...............................................27.施工要求和技术保证条件.......................................3第二章编制依据.....................................................4第三章施工计划.....................................................51.施工工期计划.................................................52.材料计划.....................................................53.机械设备计划.................................................64.施工计划保证措施.............................................6第四章施工方法.....................................................81.施工总体方案.................................................82.施工准备.....................................................83.基坑开挖.....................................................84.基础及垫层施工...............................................85.悬臂挡墙主体施工.............................................86.附属工程施工................................................147.墙背回填....................................................148.仰斜式挡土墙施工............................................14第五章质量保证体系及保证措施......................................211.质量保证体系................................................212.质量保证措施................................................22第六章安全施工保证措施............................................231．施工安全保证措施............................................232.事故应急救援预案............................................31第七章劳动力计划..................................................391.安全生产管理人员............................................392.人员配备计划................................................39第八章季节性施工措施..............................................401.雨季施工措施................................................402.冬季施工措施................................................413.冬季施工个人防冻害措施......................................424.冬季恶劣天气的应急措施......................................43第九章文明施工与环境保护措施......................................451.文明施工....................................................452.施工环境保护措施............................................45第十章计算书......................................................471.仰斜式挡土墙验算............................................472.悬臂式挡土墙验算............................................483.挡土墙后边坡稳定验算........................................504.挡土墙模板及支撑验算........................................51附录：危险源辨识与防控措施.........................................60第一章工程概况1.工程概况小东门东路位于湘潭市雨湖区三大桥东侧，是一条南北方向城市支路，南起沿江中路，北接熙春门路；道路起始点桩号为K0+000～K0+569.335，道路全长569.335米，路基全幅...