# [1]孙志林,黄晓明.沥青路面线性疲劳损伤特性及形变规律[J].东南大学学报(自然科学版),2012,42(3):521-525.[doi:10.3969/j.issn.1001-0505.2012.03.025] 　Sun Zhilin,Huang Xiaoming.Linear fatigue damage characteristics and deformation law of asphalt pavement[J].Journal of Southeast University (Natural Science Edition),2012,42(3):521-525.[doi:10.3969/j.issn.1001-0505.2012.03.025] 点击复制 沥青路面线性疲劳损伤特性及形变规律() 分享到： var jiathis_config = { data_track_clickback: true };

42

2012年第3期

521-525

2012-05-20

## 文章信息/Info

Title:
Linear fatigue damage characteristics and deformation law of asphalt pavement

1 长沙理工大学公路工程教育部重点实验室, 长沙 410114; 2 东南大学交通学院, 南京 210096
Author(s):
1 Key Laboratory of Highway Engineering of Ministry of Education, Changsha University of Science and Technology, Changsha 410114, China
2 School of Transportation, Southeast University, Nanjing 210096, China

Keywords:

U416.01
DOI:
10.3969/j.issn.1001-0505.2012.03.025

Abstract:
In order to study the fatigue damage characteristics and the deformation of the asphalt pavement under vehicle load, using the general finite element software ABAQUS and the secondary development platform, an asphalt pavement numerical model which considers the pavement material fatigue damage is established to analyze the spatial distribution and evolution of asphalt pavement structure damage and horizontal normal strain, as well as the evolution law of the deflection on the surface of the pavement. The results show that the pavement structural damage mainly distributes in a specific damage zone that is located at the bottom of the layer and along the middle line between the double wheels. With the increase of the load cycles, the damage degree at the bottom of the base layer and the sub-base layer increases, the rate of which gradually decreases. Meanwhile, the horizontal tensile strain close to the bottom of the pavement layer increases, the rate of which gradually decreases, and neutral axis moves upward. The deflection on the surface of the pavement increases with the increase of load cycles, the rate of which decreases gradually. The results can provide a theoretical support for the asphalt pavement structure design,the maintenance and the prediction of the long-term performance.

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