成昆铁路成都至峨眉段涵洞及框架桥接长工程专项施工方案目录成昆铁路成峨段涵洞及框架桥接长工程专项施工方案...........................................................................31.编制依据...................................................................................................................................................32.工程概况...................................................................................................................................................33.施工内容、等级及施工条件...................................................................................................................43.1.施工内容.......................................................................................................................................43.2.施工等级.......................................................................................................................................43.3.影响范围及限速范围...................................................................................................................43.4.行车设备及运输组织方式变化...................................................................................................53.5.施工相关单位...............................................................................................................................53.6.工期及人员设备安排...................................................................................................................53.6.1.工期安排..............................................................................................................................53.6.2.主要机械设备表..................................................................................................................53.6.3.劳动力组织和配置..............................................................................................................63.6.4.防护员安排及职责..............................................................................................................74.施工方案及方法.......................................................................................................................................84.1.总体施工方案...............................................................................................................................84.2.施工准备.......................................................................................................................................94.2.1.测量放线..............................................................................................................................94.2.2.管线迁改..............................................................................................................................94.2.3.防护隔离网施工................................................................................................................104.3.挖孔桩施工.................................................................................................................................114.4.接长涵洞施工.............................................................................................................................134.4.1.翼墙拆除............................................................................................................................134.4.2.基坑开挖.......
