长西铁路CX-V标段（DK311+861-DK406+584.16）长西铁路CX-V标大额木特河特大桥施工方案编制：职称：审核：职称：审批：职称：中铁十四局集团有限公司长西铁路工程项目经理部二〇一六年四月目录1、编制依据、原则..................................................................................51.1编制依据..........................................................................................51.2编制原则..........................................................................................51.3编制范围..........................................................................................62、工程概况..............................................................................................62.1工程简介..........................................................................................62.2工程地质概况..................................................................................72.3水文地质特征..................................................................................72.4地震资料及最大冻结深度..............................................................73、施工方案..............................................................................................73.1工期安排..........................................................................................73.2施工组织..........................................................................................83.2.1组织机构设置............................................................................83.2.2任务分解及分布........................................................................93.2.3混凝土供应..............................................................................103.3施工准备........................................................................................103.3.1技术准备..................................................................................103.3.2物资准备..................................................................................103.3.3混凝土原材料的选用..............................................................113.3.4机械设备准备..........................................................................133.4施工方案及具体工艺....................................................................153.4.1明挖基础施工..........................................................................153.4.2挖井基础施工..........................................................................213.4.3桩基施工..................................................................................243.4.4承台施工..................................................................................363.4.5墩台施工..................................................................................413.4.6顶帽及托盘施工......................................................................463.4.7垫石施工..................................................................................493.4.8简支T梁施工...........................................................................493.4.9桥面系及附属工程..................................................................493.4.10大体积混凝土温控监测........................................................544、冬、夏期和雨季施工措施................................................................554.1冬期施工措施...............................................................
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