1 工程概况 ................................................................................................................... 1 2 编制依据 ................................................................................................................... 1 3 施工组织机构 ........................................................................................................... 2 4 总体方案及部署 ....................................................................................................... 2 4.1 施工区段划分 ................................................................................................. 2 4.2 总体施工部署 ................................................................................................. 3 5 施工方案及工艺工法 ............................................................................................... 4 5.1 地基处理概述 ................................................................................................ 4 5.2 施工工艺 ........................................................................................................ 5 ⑴ 施工准备 ................................................................................................... 5 ⑵ 施工围挡 ................................................................................................... 6 ⑶ 管线探查 ................................................................................................... 6 ⑷ 清表 ........................................................................................................... 6 ⑸ 路基开挖机换填 ....................................................................................... 7 ⑹ 混凝土垫层施工 ..................................................................................... 12 6 路基开挖换填质量保证措施 ................................................................................. 13 6.1 质量目标 .......................................