基于XFEM沥青道路多裂纹扩展研究

doi:10.3969/j.issn.1000-1565.2026.02.003

河北大学学报(自然科学版) ›› 2026, Vol. 46 ›› Issue (2): 142-150.DOI: 10.3969/j.issn.1000-1565.2026.02.003

• • 上一篇

基于XFEM沥青道路多裂纹扩展研究

邵谦^1,2,3,冯震^1,2,费海亮^1,2,王星月^1,2,张佳辉^1,2

收稿日期:2024-01-19 发布日期:2026-03-18
通讯作者: 冯震(1972—)
作者简介:邵谦(1998—),男,河北大学研究生, 主要从事沥青路面疲劳开裂方向研究.E-mail: 443079257@qq.com
基金资助:
河北省自然科学基金项目(E2020201017)

Research on multiple crack propagation of asphalt roads based on XFEM

SHAO Qian^1,2,3, FENG Zhen^1,2, FEI Hailiang^1,2, WANG Xingyue^1,2, ZHANG Jiahui^1,2

1. College of Civil Engineering and Architecture, Hebei University, Baoding 071002, China; 2. Hebei Civil Engineering Monitoring and Evaluation Technology Innovation Center, Baoding 071002, China; 3. College of Resources and Engineering Technology, Baoding Institute of Technology, Baoding 071002, China

Received:2024-01-19 Published:2026-03-18

摘要/Abstract

摘要： 为探讨沥青道路反射裂缝疲劳扩展对邻近裂纹的影响,本文基于ABAQUS软件构建了含多个初始裂纹的道路结构二维模型,借助软件中的扩展有限元法(extended finite element method,XFEM)对模型施加车辆-温缩耦合荷载,分析在不同长度、不同间距下裂纹在疲劳扩展过程中的动态响应,同时探讨车辆荷载在耦合荷载中的作用.结果表明:道路中预设裂纹长度越长,与疲劳扩展裂缝的间距越小,疲劳扩展对裂纹开裂的促进作用越显著;车辆荷载促进疲劳裂缝的扩展,并促使裂缝的动态疲劳开裂模式由张开型向剪切型转变.

关键词: XFEM, 耦合荷载, 多裂纹分析, 车辆偏压荷载

Abstract: In order to investigate the effect of fatigue propagation of reflection cracks on nearby cracks in asphalt roads, this paper uses ABAQUS software to construct a two-dimensional model of road structures with multiple initial cracks. By means of the extended finite element method(XFEM)in the software, the model is subjected to vehicle-thermal shrinkage coupling loads to analyze the dynamic response of cracks at different lengths and distances during the fatigue propagation process, simultaneously analyzing the role of vehicle loads in coupled loads. The results show that the longer the length of the cracks, the smaller the distance between the preset cracks and fatigue propagation cracks in the road, and the more significant the promoting effect of fatigue propagation on crack cracking. Vehicle loads significantly the propagation of fatigue cracks, and facilitate the transformation of cracks from open type cracking to shear type cracking.

Key words: XFEM, coupled loads, multiple crack analysis, vehicle bias load

中图分类号:

TU44

邵谦,冯震,费海亮,王星月,张佳辉. 基于XFEM沥青道路多裂纹扩展研究[J]. 河北大学学报(自然科学版), 2026, 46(2): 142-150.

SHAO Qian, FENG Zhen, FEI Hailiang, WANG Xingyue, ZHANG Jiahui. Research on multiple crack propagation of asphalt roads based on XFEM[J]. Journal of Hebei University(Natural Science Edition), 2026, 46(2): 142-150.

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基于XFEM沥青道路多裂纹扩展研究

Research on multiple crack propagation of asphalt roads based on XFEM

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