山东液化天然气（LNG）输气干线工程穿越青烟威荣夏格庄特大桥（DK82+627）钢筋混凝土箱体通道施工方案编制：王普东审核：姚术范批准：徐晗编制单位：德州宏基管道工程有限公司编制日期：二〇一四年十月目录1编制依据及编制范围：..........................................................................................................11.1编制依据.........................................................................11.2编制范围.........................................................................11.3编制原则.........................................................................12工程概况及施工特点分析......................................................................................................12.1工程概况.........................................................................12.2工程特点.........................................................................22.3结构特点.........................................................................22.4施工对铁路设施的影响.............................................................33施工整体计划安排..................................................................................................................34施工总体部署.........................................................................................................................34.1人力、机械设备计划...............................................................34.1.1人力需求量.....................................................................44.1.2机械设备需求量.................................................................44.2施工用电、用水...................................................................44.3场地布置.........................................................................45施工方案.................................................................................................................................55.1施工程序.........................................................................55.2一般要求.........................................................................55.2.1基坑开挖.......................................................................55.2.2钢筋工程.......................................................................65.2.3模板工程.......................................................................65.2.4混凝土浇筑工程.................................................................76施工工艺.................................................................................................................................76.1基坑开挖及排水...................................................................76.2基底和垫层施工...................................................................86.3底板混凝土施工...................................................................86.4侧墙、顶板及内填充混凝土施工.....................................................86.5模板拆除.........................................................................96.6养护............................................................................106.7防水层、沉降缝施工..............................................................106.7.1防水层........................................................................106.7.2沉降缝........................................................................106.8墙身两侧回填.................................
