公路拱桥常见病害与加固技术应用

Common Diseases and Reinforcement Technology of Highway Arch Bridge

近年来我国的危旧拱桥数量呈增长趋势,公路拱桥是桥梁加固领域的难点之一。对圬工拱桥、双曲拱桥、刚架拱桥和系杆拱桥的常见病害进行总结,并对常用的加固方法进行评述,对拱桥上部结构的加固改造设计起到一定的借鉴作用。

In recent years the number of dangerous and old arch bridge is growing rapidly,and the highway arch bridge is one of the difficult points in bridge reinforcement field.This paper summarized common diseases of several arch bridges including masonry arch bridge,double arch bridge,rigid-framed arch bridge and the tied arch bridge,reviewed the commonly used reinforcement methods,which can provide a certain reference for reinforcement renovation design of superstructure of arch bridge.