动载作用下沥青路面车辙三维有限元分析

针对沥青路面纵坡路段的车辙问题，采用矩形波动荷载加载，利用三维有限元数值法对重载，慢速及高温条件下路面各结构层竖向位移和竖向应力分布规律进行分析。结果表明：荷载越大、车速越慢、温度越高，沥青路面结构的竖向位移及竖向应力越大．沥青路面纵坡路段车辙越容易形成。

Anlysis of Rutting on Asphalt Pavement Under Dynamics Loadings Using FEM

According to the rut of asphalt pavement on longitudinal slope,using the rectangular dynamic load,this paper analyzed the distribution of vertical displacement and stress under the over loading,low speed and high temperature based on three-dimensional finite element method. The results show that the vertical displacement and vertical compressive stress of asphalt pavement structure will enlarge with the load and temperature increasing,the speed decreasing,which lead to the rutting on asphalt pavement with l...