三背回填专项施工技术方案编制：审核：审批：单位:二○一四年七月---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---目录1编制依据..........................................12编制原则......................................................................13专项工程概述..................................................................13.1专项工程主要技术标准....................................................13.2专项工程概况、主要工程项目及数量........................................23.2.1专项工程概况......................................................23.2.2三背回填项目及工程量统计..........................................2---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---3.3自然地理特征............................................................53.3.1地形地貌..........................................................53.3.2地层岩性、地质构造................................................53.3.3气象、水文........................................................53.3.3不良地质现象及地质灾害............................................53.4专项工程的建设、交通运输条件............................................53.5工程特点................................................................63.5.1结构特点..........................................................63.5.2周边环境特点......................................................63.5.3工程重难点分析....................................................64施工总体安排..................................................................64.1施工准备工作............................................................64.2施工任务划分............................................................64.2.1工区划分..........................................................64.2.2路基作业队任务划分................................................74.3施工步骤................................................................74.4施工顺序................................................................74.5施工进度计划安排........................................................74.6主要机械设备配置........................................................84.6主要人员配置............................................................84.7主要材料使用计划........................................................84.8大临设施安排.............................................................94.8.1拌和站............................................................94.8.2施工便道..........................................................94.9施工用水、用电情况......................................................94.9.1施工用水..........................................................94.9.2施工用电..........................................................95施工方法、工艺、要点及注意事项................................................105.1施工方法................................................................105.1.1桥台台背回填施工方法..............................................105.1.2涵洞涵背回填施工方法..............................................105.1.3挡墙墙背回填施工方法..............................................105.2施工工艺...............................................................10---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---5.2.1施工顺序.........................................................105.2.2...