Simulation Analysis of Cracking Process of Asphalt Concrete Beam Specimen Based on Cohesive Zone Model and Extended Finite Element

被引：0
|
作者：
Liao, Chenxi [1 ]
Hong, Xuan [1 ]
Tian, Xiaoge [2 ]
Lu, Xuerong [2 ]
Li, Guangyao [2 ]
机构：
[1] Guangdong Prov Expressway Co Ltd, Kaiping Yangjiang Expressway Extens Management Of, Jiangmen, Guangdong, Peoples R China
[2] Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Changsha, Hunan, Peoples R China
来源：
ADVANCES IN MACHINERY, MATERIALS SCIENCE AND ENGINEERING APPLICATION | 2022年 / 24卷
基金：
中国国家自然科学基金;
关键词：
Asphalt mixture; crack propagation; cohesive zone model (CZM); extended finite element method (XFEM); damage dissipation energy;
D O I：
10.3233/ATDE220448
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to simulate and analyze the cracking process of asphalt concrete beam specimens under loading, the elastic modulus, cracking strength and fracture energy of asphalt concrete were measured through direct tensile test and three-point bending test. Then, the Cohesive zone model (CZM) and extended finite element method (XFEM) were utilized to simulate the crack propagation process of the specimen under three-point bending loading, and the numerical simulation results were compared and analyzed. The results show that the crack propagation process can be well simulated by using the XFEM and CZM. During the cracking process, the propagation angle was related to the crack position, and the release rate of damage dissipation energy reflected the crack propagation rate.
引用
收藏
页码：278 / 284
页数：7
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