配重法在危旧拱桥加固改造中的方法与实践  

Measures and Practice of Weight-matching Method Used in Strengthening of Damaged Arch Bridges

作　　者：李丽[1] 王振领[1] 钱永久[1] 

机构地区：[1]西南交通大学,四川成都610031

出　　处：《公路交通科技》2003年第6期49-52,共4页Journal of Highway and Transportation Research and Development

基　　金：高等学校优秀青年教师教学科研奖励计划资助项目(2002)

摘　　要：提出在拱桥加固过程中施加配重调节拱圈内力的方法,阐述了配重法的理论依据,结合两座拱桥加固改造的工程实践,说明其具体的实施方法,并通过数值计算结果验证了配重法所取得的效果,可为同类拱桥的加固改造提供有益的参考。Weight-matching method could be used in strengthening of damaged arch bridges to regulate the internal forces in the arch.Its theory foundation is expatiated in the paper.Also the engineering measures are discussed with two examples of damaged arch bridges.Furthermore,the effectiveness of the method is validated by computation,which could be a successful practice for repair and strengthening of the similar bridges.

关 键 词：拱桥 加固改造 配重法 结构内力 

分 类 号：U445.72[建筑科学—桥梁与隧道工程]