白沙沟大桥拱圈悬浇施工  

Cantilever Casting Construction Techniques of Arch Ring of Baishagou Bridge

作　　者：廖旭[1] 聂东[1] 张佐安[1] 卢伟[1] 赵丹[1] 

机构地区：[1]四川路桥建设股份有限公司,成都市610041

出　　处：《公路》2007年第9期49-54,共6页Highway

摘　　要：白沙沟大桥是净跨150 m的钢筋混凝土箱形拱桥,拱圈是我国首次采用挂篮悬臂浇注节段法施工成拱的。介绍该桥拱圈现浇段支架法施工、节段侧桁式挂篮法悬浇及斜拉扣挂锚固、合龙段吊架法浇注成拱等拱圈施工的关键技术。Baishagou Bridge is a reinforced concrete box arch bridge with a net span of 150 m, its arch ring adoptes firstly suspended wagon cantilever casting construction in China. The key construction techniques of the arch ring are described, such as strutting frame method construction of cast-in-place segment, segmental side truss-type suspended wagon method cantilever casting and cable-stayed fastening anchorage, and the closed segment suspending wagon method placing into arch ring construction, etc.

关 键 词：大跨径箱形拱桥 拱圈 悬臂浇注 施工技术 

分 类 号：U445.466[建筑科学—桥梁与隧道工程]