大跨径钢桥桥面铺装层疲劳特性试验研究

Experimental study on pavement fatigue of long span steel bridge

利用有限元方法对某大跨径钢桥面铺装层进行力学分析,以此为依据,现场采样,进行了环氧沥青混合料与钢板的结合件的疲劳试验。结果表明,该大跨径钢桥采用环氧沥青混合料铺装是成功的,其使用寿命可达15 年以上。

The pavement mechanical analyses of a long span steel bridge are done by finite element method. Based on the data acquired at actual working spot, the fatigue experiment of epoxy asphalt and steel plate conjunction is carried out. The result shows that the pavement using epoxy asphalt is successful, and the lifespan can exceed 15 years.