204 国道海安段改建工程 QL1 标段新通扬运河大桥主桥悬浇施工技术方案第三航务工程局有限公司2024 年 4 月下载后可任意编辑目录1 工程概述：..............................................................32 悬浇法施工工艺流程：....................................................33 0#块体施工..............................................................43.1 0#块施工工艺流程图....................................................43.2 0#块体临时支撑........................................................53.2.1 临时支撑承载力、稳定性计算..........................................53.2.2 临时支撑施工方案...................................................103.3 0#块体模板支架施工方案...............................................133.4 钢筋制作.............................................................163.5 芯模、翼缘板模板安装.................................................173.6 砼浇注...............................................................183.7 预应力钢筋张拉、压浆.................................................194 挂篮悬浇施工：.........................................................234.1 挂篮施工工艺流程：...................................................234.2 挂篮施工.............................................................244.2.1 钢筋、模板施工：...................................................274.2.2 砼施工.............................................................284.2.3 预应力施工.........................................................294.3 箱梁直线段施工.......................................................304.4 边跨合拢段施工.......................................................314.5 中跨合拢段施工.......................................................322下载后可任意编辑新通扬运河大桥主桥变截面连续箱梁挂篮悬浇法施工技术方案1 工程概述：204 国道改建工程新通扬运河大桥第二联主桥为 48m+80m+48m 变截面连续箱梁，箱梁底宽 6.5m，项宽 12.75m，为单箱单室箱梁，分左右两半幅,先边跨合拢再中跨合拢。预应力采纳低松弛钢绞线及竖向预应力钢...
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