武汉南四环线龚家铺至中洲段第三合同段路基专项施工方案中建三局集团有限公司武汉市南四环第一项目部二0一五年七月武汉四环线龚家铺至中洲段第三合同段路基专项施工方案目录1、编制说明...........................................71.1编制依据.........................................71.2编制原则.........................................72、工程概况............................................73、工期安排及施工计划.................................104、施工队伍、设备、填料安排...........................104.1施工人员安排....................................104.2机械设备进场安排................................104.3路基填料安排.....................................115、施工前期准备.......................................115.1前期准备........................................115.2施工测量........................................125.2.1路基测量.....................................125.2.2测量资料的形成和报验.........................135.2.3施工放样.....................................135.3施工场地清理....................................135.4路基试验段（首件制）............................146、土方路基填筑.......................................146.1填料选择及试验准备...............................146.2土方路基填筑施工.................................156.2.1填前清理.....................................156.2.2路基基底填前碾压.............................166.2.3土方路基填筑施工工艺.........................166.2.4土方路基施工注意事项及质量控制标准...........187、土方路基开挖.......................................21诚信创新超越共赢2武汉四环线第三合同段项目部武汉四环线龚家铺至中洲段第三合同段路基专项施工方案7.1路堑施工工艺....................................217.2路堑开挖施工注意事项及质量控制标准..............227.2.1开挖施工注意事项.............................227.2.2质量控制标准.................................238、软土地基及特殊地基处理.............................238.1低填浅挖路基处理.................................238.1.1路床浅挖施工.................................248.1.2路床低填施工.................................248.2清淤换填........................................258.2.1清淤换填施工工艺.............................258.2.2清淤换填质量控制.............................278.3半填半挖和填挖交接路基处理.......................288.3.1填挖交界、半填半挖处路基施工.................308.3.2土工格栅铺设.................................308.3.3双向土工格栅铺设的质量控制要点...............318.4新老路基搭接施工.................................329、台背回填施工.......................................339.1台背回填填料选择.................................339.2台背回填处理范围.................................33施工工艺流程图......................................359.4台背回填质量控制及注意事项.......................3610、路基支挡及边坡防护................................3710.1仰斜式挡土墙...................................3710.1.1施工准备....................................3710.1.2基坑开挖及基底处理..........................3810.1.3基础及墙身砌筑..............................40诚信创新超越共赢3武汉四环线第三合同段项目部武汉四环线龚家铺至中洲段第三合同段路基专项施工方案10.1.4沉降缝......................................4110.1.5勾缝及养生..................................4110.1.6基坑、墙背回填..............................4110.1.7锥坡........................................4210.1.8仰斜式挡土墙质量控制标准....................44...
