钢管混凝土拱桥拱肋损伤识别的理论分析

Theoretical Analysis on Damage Identification of Steel-tube Concrete Arch Bridge Rib

钢管混凝土拱桥拱肋的损伤已经成为其致命伤,如何正确判断拱肋的损伤已经成为亟需解决的问题。该文以黄河上一座已建的钢管混凝土拱桥为例,进行拱肋损伤的动力特性理论分析,通过理论的分析计算得到的结果可以指引实际工程中的损伤识别。

How to determine the damage of Arch rib has become an urgent problem to be solved because of its damage having become the death wound to the arch rib of steel-tube concrete arch bridge.Based on a built steel-tube concrete arch bridge on the Yellow River,the dynamic characteristics of rib damage have been theoretically analyzed.The result from the theoretical analysis and calculation can guide the damage identification in the practical engineering.