浅析城市旧桥拓宽横向连接形式

本文介绍了旧桥拓宽的一般原则，分析了桥梁拓宽不同横向连接方式的特点。桥梁拓宽一般包括三种方式：上下均不连接的拓宽方式、上下均连接的拓宽方式和上部连接下部不连接的拓宽方式。

Cross Connection Form of Widening the Old Bridge in City

This paper introduced the general principle of old bridge widening, analyzing the characteristics of different cr-oss connection modes of widening bridge. Widening of bridge general y includes three ways： to broad the way without con-nection up and down, to broad with upper and lower conne-ction and to broaden the way with upper connection without lowers connection.