高速铁路混凝土桥梁典型病害及防治对策

Typical Diseases of High Speed Railway's Concrete Bridges and Prevention Countermeasures

随着列车时速加快,铁路桥梁结构的动力效应更加明显,加之设计、施工与运营管理等方面存在的不足,桥梁结构不同程度地出现各种病害的现象时有发生,给铁路运输带来了很大的安全隐患。以高速铁路混凝土桥梁为例,分析了铁路桥梁结构发生病害的成因,提出了适宜的防治对策。

Along with the quickening of train＇ s velocity per hour, the dynamic response of railway bridge＇ s structure is more obvious, coupled with the shortages existing in the design, construction and operation management, different diseases often appear in the bridge structure at various degree, bringing great safety hidden troubles to railway transportation. Taking high speed railway＇s concrete bridge as an example, this paper analyzes the causes of the diseases in railway bridge structure, and puts forward some appropriate prevention countermeasures.