Mechanical response analysis of asphalt pavement considering top-down crack based on FDM-DEM coupling simulation

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成果类型：

期刊论文

作者：

Wang, Min;Yu, Xin;Chen, Chen

通讯作者：

Xin Yu

作者机构：

[Yu, Xin; Wang, Min; Yu, X] Hohai Univ, Coll Civil & Transportat Engn, Nanjing 210098, Peoples R China.

[Yu, Xin] Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Changsha 410114, Peoples R China.

[Chen, Chen] Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Peoples R China.

[Yu, Xin; Chen, Chen] Changsha Univ Sci & Technol, Natl Engn Res Ctr Highway Maintenance Technol, Changsha 410114, Peoples R China.

通讯机构：

[Yu, X ] H

Hohai Univ, Coll Civil & Transportat Engn, Nanjing 210098, Peoples R China.

语种：

英文

关键词：

Full-scale pavement structure;Top-down crack;FDM-DEM coupling model;Mechanical response

期刊：

道路工程学报(英文)

ISSN：

2097-0498

年：

2025

卷：

期：

页码：

92-105

DOI：

10.1016/j.jreng.2024.07.004

基金类别：

National Key R & D Program of China [2021YFB2601200]; Open Fund of National Engineering Research Center of Highway Maintenance Technology (Changsha Uni-versity of Science Technology) [kfj230207]

机构署名：

本校为其他机构

院系归属：

交通运输工程学院

摘要：

The occurrence of top-down (TD) cracking has gradually become a prevalent issue in semi-rigid base asphalt pavements after prolonged service. A coupled simulation model integrating the finite difference method (FDM) and discrete element method (DEM) was employed to investigate the mechanical behavior of asphalt pavement containing a pre-existing TD crack. The mesoscopic parameters of the model were calibrated based on the mixture modulus and the static mechanical response on the MLS66 test road. Finally, an analysis was performed to assess how variations in TD crack depth and longitudinal leng...

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Mechanical response analysis of asphalt pavement considering top-down crack based on FDM-DEM coupling simulation

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