石拱桥加固技术分析

The study on the reinforcement technology of bridge

结合国道208线司庄二桥的病害特点,从三铰拱竖向位移和连拱效应两方面,分析了该桥病害的产生原因,并提出了将原桥拱型腹拱拆除,换作板式腹拱的拱桥加固技术,保证了桥梁运营的安全性。

Combining with the diseases features of Sizhuang Second Bridge along the National Line 208, the paper analyzes the reasons for the diseases of the bridges from the triple hinged vertical displacement and multiple arch effect, and points out the demolition of the we b arch of the former bridge with the slab arch, so as to ensure the safety of the bridge operation.