设置钢筋混凝土支撑架加固增江大桥

Installing Support Frames to Reinfore Zengjiang Bridge

增江大桥于1957年建成,经过四十多年运营,出现了较为严重的病害。本次加固采用多种方法对上部桥面结构和下部结构作处理,并达到了预期效果。本文重点介绍通过设置支撑架的方法,以减小桥梁跨径与跨中挠度,从而达到加固桥梁的目的。

Serious diseases existed in the Zengjiang Bridge which was built in 1957.This paper introduces the method of installing support frames to decrease the span of the bridge and the bending deflection of the mid-span. By this treatment, the bridge is strengthened.