公路旧桥加固与管理

Reinforcement and Maintenance of Old Road Bridge

随着我国交通运输事业的快速发展,过去年代修建于各地城镇和各级公路上的桥梁,负担着十分沉重的交通荷载及繁重的交通量。由于种种原因,旧桥在设计上或多或少存在考虑不周的缺点,施工也留下大小不同的缺陷。文章介绍一典型旧桥加固方案,并对桥梁的管理提出了建议。

With the rapid development of transportation in our country, the old bridges constructed in towns and highways of different grades carry an ever-heavier traffic both in load and in volume. And due to various reasons, there were some defects in the design as well as in the construction of these old bridges. The article presents a typical reinforcing scheme of the old bridge and then brings forth some suggestions on the maintenance of the bridge.