贵广铁路广州东平水道钢桁拱桥安装施工技术  

The Technologies Applied in the Construction of Guangzhou Dongping Water Channel Steel Arch Truss Bridge at Railway Line of Guiyang-Guangzhou

作　　者：许佳平 王福春[2] 

机构地区：[1]中铁大桥局施工设计事业部,湖北武汉430050 [2]沈阳市市政工程设计研究院,辽宁沈阳110015

出　　处：《辽宁省交通高等专科学校学报》2011年第2期1-4,共4页Journal of Liaoning Provincial College of Communications

摘　　要：东平水道桥为下承式变高度钢桁拱桥,采用双片桁结构。该桥架设过程中,采用了"边跨半悬臂膺架法架设"、"边跨先平弦后拱肋"、"主跨吊索塔架辅助全悬臂架设"、"边墩落梁与调整扣锚索的综合合拢方法"等方法,技术方案合理,措施得力,为该桥施工提供了可靠的保证,同时也为今后类似桥梁的建设提供借鉴。Dongping Water Channel Bridge is a through variable height bridge with its Adoption of double feature truss structure.In the bridge erecting process,these structures are adopted：＂edge across half a cantilever erection prize frame method＂,＂the side after horizontal chord across first arch rib＂,＂main span cable erection tower aided whole cantilever erection＂,＂side pier beam and adjust buckles anchor down the method such as comprehensive fold method＂,technical scheme and measures are reasonable for the bridge construction shell which provides reliable guarantee for the future,and also provides reference for the construction of similar Bridges.

关 键 词：钢桁拱 悬臂 吊索塔架 锚固 压重 合拢 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]