Research on the Anti-Reflective Cracking Performance of a Full-Depth Asphalt Pavement

Sustainability

Xu Li¹  Yunliang Li¹  Fujin Hou²  Tao Li²  Meng Guo³ 

[1] Harbin Institute of Technology, Harbin 150090, China;Shandong Hi-Speed Construction Management Group Co., Ltd., Jinan 250001, China;The Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100124, China;

关键词: full-depth asphalt pavement;    stress-absorbing layer;    reflective cracking;    extended finite element method;   

DOI  :  10.3390/su13179499

来源: DOAJ

【 摘 要 】

In order to analyze the anti-reflective cracking performance of a full-depth asphalt pavement and study the propagation process of a reflection crack and its influencing factors, a mechanical model of pavement structural crack analysis was established based on the ABAQUS finite element software and the extended finite element method (XFEM). Based on two different loading modes of three-point bending and direct tension, the propagation process of a reflection crack is analyzed. The results show that the anti-reflective cracking performance of a full-depth asphalt pavement is better than that of a semi-rigid base pavement structure, and the loading mode II based on direct tension is more consistent with the propagation mechanism of pavement reflection cracks, while the loading mode II is more suitable for analyzing the anti-reflective cracking performance of the pavement structure. Appropriately reducing the elastic modulus of the stress-absorbing layer can significantly improve the anti-reflective cracking performance of the full-depth asphalt pavement.

【 授权许可】

Unknown