平顶山矿区铁路钢筋混凝土桥梁裂缝成因及整治

The cause and renovation of the crack of bridge in Pingdingshan mine area rail

平顶山矿区铁路线上有几十座钢筋混凝土桥梁 ,在使用过程中由于多种原因产生了各种裂缝 ,通过采用不同整治方法处理后 ,延长了桥梁的使用寿命 ,提高了桥梁的承载力。

There are tens of ferroconcrete bridges are belong to the railway system of Pingdingshan mine area, and these bridges are cracked by many reasons in the course of using.The work life of bridge is improved by several renovation and the loading ability is also lifted.