目 录一、编制依据、原则......................................................................3二、工程概况.................................................................................3三、施工计划.................................................................................5四、施工方案.................................................................................74.1 总体方案及步骤..............................................................................74.2 线路架空..........................................................................................74.2.1 架空施工作业流程：...................................................................74.2.2 支点桩施工..................................................................................74.2.3 轨枕间距调整..............................................................................84.2.4 钢枕安装......................................................................................84.2.5 D20 型施工便梁架设.................................................................94.2.6 线路监控测量..............................................................................94.3 架空现浇施工流程.........................................................................104.3.1 基坑开挖....................................................................................104.3.2 混凝土垫层施工.........................................................................114.3.3 钢筋施工....................................................................................114.3.4 模板及支架施工.........................................................................144.3.5 混凝土施工................................................................................154.3.6 防水层、沉降缝施工.................................................................194.3.7 框架主体基坑回填.....................................................................214.3.8 D20 型施工便梁拆除.....................................
