客运专线路基施工指导书

目录 TOC \o "1-3" \h \z \u 一 地基处理 PAGEREF _Toc249726666 \h 21一般规定 PAGEREF _Toc249726667 \h 22　原地面处理

目录 .......................................................................................................................................................... 2 一地基处理 ............................................................................................................................................................ 2 1一般规定 ..................................................................................................................................................... 2 2原地面处理 ............................................................................................................................................................. 3 3换填 ............................................................................................................................................. 3 4砂（碎石）垫层 ............................................................................................................................................... 3 5浆体喷射搅拌桩 ......................................................................................................................................... 5 6土工合成材料垫层 ........................................................................................................................................................... 6 7洞穴处理 ........................................................................................................................................................ 7 二路堤 ......................................................................................................................................................... 7 1一般规定 ............................................................................................................................................................. 8 2填料 ................................................................................................................................................. 9 3基床以下路堤 ....................................................................................................................................................... 10 4基床底层 ............................................................................................................... 11 5基床表层级配碎石或级配砂砾石 .......................................................................................................................................................... 13 6路堤边坡 ................................................................................................................................................. 13 7路基沉降观测 ....................................................................................................................................................... 14 8雨季施工 ........................................................................................................................................................ 14 三路堑 ......................................................................................................................................................... 14 1一般规定 ............................................................................................................................................................... 16 2基床 ............................................................................................................................................. 16 3半填半挖路基 ....................................................................................................................................................... 16 4施工控制 ...................................................................................................................................................... 17 四过渡段 ......................................................................................................................................................... 17 1一般规定 ............................................................................................................................. 18 2路堤与横向结构物过渡段 ......................................................................................................................................... 18 3路堤与路堑过渡段 .......................................................................................................................................................... 19 4施工控制 ........................................................................................................................................................ 19 五支挡结构 ............................................................................................................................................ 20 六路基防护及排水 ...................................................................................................................................................... 21 七坡面防护 ...................................................................................................................................................... 23 八路基排水 ............................................................................................................................ 24 九路基相关工程及附属设施 ....................................................................................................................................................... 24 1相关工程 25 十现场管理一般标准