孟加拉帕德玛多用途桥梁引桥墩身施工方案 复核： 审批： 中铁大桥局股份孟加拉帕德玛大桥工程经理部2024 年 32024 年 4 月目录1 方案概述.....................................................................12 施工工艺流程.................................................................4直线段施工工艺流程..........................................................43 施工方法.....................................................................6施工缝凿毛处理..............................................................6第一节墩身钢筋安装施工〔以 N24#墩为例〕......................................6第一节钢筋安装支架安装及墩身预埋主筋复检、定位............................6钢筋下料与加工............................................................7第一节墩身钢筋安装........................................................7第二节墩身钢筋安装施工.....................................................10第二节钢筋安装支架安装...................................................10第二节墩身钢筋安装.......................................................11第三节墩身钢筋安装.......................................................13曲线段墩身钢筋施工.........................................................14曲线段钢筋第一次绑扎.....................................................14曲线段钢筋第二次绑扎.....................................................15墩身模板施工...............................................................17模板施工前准备...........................................................17墩身模板安装.............................................................25墩身混凝土浇筑施工.........................................................26模板撤除...................................................................27模板拉杆孔处理.............................................................27混凝土养生.................................................................284 质量控制措施、平安保障措施、职业健康与文明施工..............................284.1 质量控制措施...........
