所属单位：

土木工程学院

发表刊物：

2011 International Conference on Remote Sensing, Environment and Transportation Engineering Science

关键字：

中文关键字：道路工程；层间滑移；U形开裂；剪切；ABAQUS，英文关键字：highway engineering; slippage failure; U-shaped

摘要：

Poor bond between two layers of asphalt pavement is the main cause of slippage failure. U-shaped cracking which often occurring at locations where traffic accelerates and decelerates continually, is the most commonly observed typical problem related to slippage failure between layers. This paper developed a mechanical model of the semi-rigid base asphalt pavement by a finite element program (ABAQUS). The pavement structure mechanical responses under traffic were computed and the regularities of stress distribution of pavement were analyzed. The characteristics of U-shaped cracking disease on asphalt pavement was described. Combined with the mechanical analysis results, the paper revealed the mechanism of the U-shaped cracking. The results show the distribution regularities of horizontal tensile stress and horizontal shear stress at longitudinal direction are coincident with the bottom and bilateral areas of U-shaped cracking, respectively. The bottom cracks of U-shaped cracking are of opening mode reduced by tensile stress, and the bilateral cracks of U-shaped cracking are of shearing mode reduced by shear stress.

备注：

刘丽

合写作者：

PeiwenHao

第一作者：

刘丽

论文类型：

期刊论文

卷号：

卷：

期号：

期：

页面范围：

页：P2861 – 2864

是否译文：

否

发表时间：

2011-06-01