宁高城际轨道二期NG-TA08标检修地沟施工方案编制：杨航审核：李延龙批准：仰宗录中铁四局集团有限公司宁高城际轨道二期NG-TA08标项目经理部二〇一五年十二月目录1编制依据..................................................................................................................02工程概况..................................................................................................................03检修地沟构造..........................................................................................................13.1检修地沟一：下部地基CFG桩构造...................................................................13.2检修地沟二：下部地基换填级配碎石构造..........................................................23.3检修地沟三：下部地基地基承载力满足设计要求..............................................34施工准备..................................................................................................................44.1物资机械准备.........................................................................................................44.2劳动力准备.............................................................................................................54.3技术准备.................................................................................................................54.4施工数量及工期计划..............................................................................................65检修地沟施工工艺....................................................................................................65.1施工工序流程.........................................................................................................65.2放样与基底处理.....................................................................................................65.3混凝土垫层施工.....................................................................................................75.4防水施工.........................................................................................................75.5钢筋工程.................................................................................................................85.6模板工程...............................................................................................................105.7检修地沟混凝土浇筑...................................................................................146冬期施工措施........................................................................................................186.1冬期施工原则及特点....................................................................................186.2施工准备........................................................................................................196.3施工措施........................................................................................................197质量保证措施........................................................................................................217.1混凝土工程...................................................................................................217.2钢筋工程.......................................................................................................217.3模板工程.......................................................................................................218安全施工措施.............................
