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新建叙永至毕节铁路（川滇段）站前施工四标果庄公路大桥施工方案编制：审核：审批：日期：日期：日期：新建叙永至毕节铁路（川滇段）站前施工四标果庄公路大桥施工方案中铁十九局集团叙毕铁路（川滇段）项目经理部二〇一七年三月新建叙永至毕节铁路（川滇段）站前施工四标果庄公路大桥施工方案目录一、工程概况........................................................11.工程简述..........................................................12.桥址概况..........................................................13.主要技术标准......................................................14.工程地质情况......................................................1（1）水文地质特征及评价.............................................1（2）地震效应.......................................................25.道路立交情况......................................................36.设计内容..........................................................3（1）梁部结构设计...................................................3（2）墩台及基础设计.................................................3二、施工准备........................................................4三、桥梁工程总体施工方案............................................51.工程概况..........................................................52.施工队伍安排......................................................53.施工组织顺序......................................................54.主要项目施工方案..................................................6四、钻孔桩基础施工方法及工艺........................................61.施工准备..........................................................72.钻进..............................................................9新建叙永至毕节铁路（川滇段）站前施工四标果庄公路大桥施工方案3.检孔.............................................................104.钢筋笼制作与安装.................................................105.钢筋笼质量标准...................................................146.钢筋笼质量控制要点..............................................157.安装导管.........................................................158.桩基混凝土施工...................................................179.桩基检测.........................................................18五、承台施工.......................................................18新建叙永至毕节铁路（川滇段）站前施工四标果庄公路大桥施工方案1.承台施工总体原则.................................................182.承台施工工序及工艺流程..........................................193.基坑放样.........................................................204.基坑开挖.........................................................205.凿除桩头.........................................................216.承台钢筋加工及安装..............................................227.安装承台模板.....................................................228.砼灌注及振捣.....................................................239.拆模与养护.......................................................2310.基坑回填........................................................2411.安全注意事项：..................................................24六、墩台身及垫石施工...............................................251.墩台身及垫石设计.................................................252.主要施工工艺.....................................................253.墩身钢筋................................