目录一.编制依据................................................................................................................................11.1编制依据........................................................................................................................11.2编制原则........................................................................................................................11、安全第一的原则.....................................................................................................12、交通保通的原则.....................................................................................................13、应急保障的原则.....................................................................................................2二、工程概况.............................................................................................................................22.1地形、地貌....................................................................................................................22.2气象、水文、地质条件................................................................................................22.3项目概况........................................................................................................................22.4既有绕城高速概况........................................................................................................4三、施工总体规划、施工组织计划安排.................................................................................5五、主要施工方案.....................................................................................................................75.1施工转换车道施工........................................................................................................75.2现浇桥施工..................................................................................................................105.3既有路基拼宽..............................................................................................................125.4既有涵洞接长..............................................................................................................135.5沉降观测......................................................................................................................14六、施工现场安全保护...........................................................................................................14七、施工保通交通组织方案...................................................................................................157.1交通组织遵循的原则..................................................................................................157.2交通组织措施..............................................................................................................157.3完善审批手续.......................................................................................................177.4交通控制布置.......................................................................................................187.4.1本工程交通控制方式........................................................................................187.4.2控制区内设置交通标志的位置........................................................................197.5交通渠化装置.............................................................