更换公路旧桥支座的顶升方案  

Jacking up Schemes for Change of Used Highway Bridge's Bearing

作　　者：李玉辉[1] 胡玉明 冯莉[1] 牛文明[1] 

机构地区：[1]桂林工学院土木工程系,桂林541004 [2]河北省新乐市交通局,新乐050700

出　　处：《北方交通》2008年第1期97-98,140,共3页Northern Communications

摘　　要：对更换支座的方法进行了分析总结,并在河北省新乐市-沙河大桥施工中,提出了一种简单易行、节约投资的支座更换方法-兜子顶升法;对该法的设计、作用原理进行了阐述,并介绍了其施工过程,为今后更换桥梁支座提供参考。The paper sums up methods for change of the bearing. And it proposes a jack - up method for bearing changing that is simple and easy and cuts down investment in the construction of Shahe bridge in Xinle City of Hebei Province. The paper expounds the design and action principle, and introduces its construction process, which offer reference for changing the bridge bearing in future.

关 键 词：更换支座 兜子顶升法 设计施工 

分 类 号：U443.36[建筑科学—桥梁与隧道工程]