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    Fatigue Cracking Analysis of Asphalt Concrete Based on Coupled XFEM-Continuum Damage Mechanics Method

    Source: Journal of Materials in Civil Engineering:;2021:;Volume ( 033 ):;issue: 001::page 04020425
    Author:
    Guang-Lai Jin
    ,
    Zhi-Xiang Zhang
    ,
    Xiao-Ming Huang
    DOI: 10.1061/(ASCE)MT.1943-5533.0003503
    Publisher: ASCE
    Abstract: Fatigue cracking is a major distress in asphalt concrete and has a significant influence on material performance. A coupled extended finite element method (XFEM)-continuum damage mechanics (CDM) model was developed in this paper to investigate fatigue cracking behavior of asphalt concrete. The model was then implemented in commercial finite element software using user-defined subroutines (UMAT and UDMGINI). This model successfully simulated the fatigue damage accumulation stage and crack propagation stage as a continuous process. Determination of model parameters are discussed, and then fatigue crack growth in a semicircular bending (SCB) beam is analyzed. Numerical results of fatigue crack growth in the SCB quantitatively matched well with experimental records. This indicates that the coupled XFEM-CDM method developed in this paper can serve as an effective tool for predicting fatigue cracking behavior of asphalt concrete. Fatigue cracking behavior and mechanical response of a three-point bending beam are also studied. Numerical findings of fatigue cracking lives and stiffness evolution are qualitatively consistent with laboratory results.
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      Fatigue Cracking Analysis of Asphalt Concrete Based on Coupled XFEM-Continuum Damage Mechanics Method

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4269410
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    • Journal of Materials in Civil Engineering

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    contributor authorGuang-Lai Jin
    contributor authorZhi-Xiang Zhang
    contributor authorXiao-Ming Huang
    date accessioned2022-01-30T22:41:06Z
    date available2022-01-30T22:41:06Z
    date issued1/1/2021
    identifier other(ASCE)MT.1943-5533.0003503.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4269410
    description abstractFatigue cracking is a major distress in asphalt concrete and has a significant influence on material performance. A coupled extended finite element method (XFEM)-continuum damage mechanics (CDM) model was developed in this paper to investigate fatigue cracking behavior of asphalt concrete. The model was then implemented in commercial finite element software using user-defined subroutines (UMAT and UDMGINI). This model successfully simulated the fatigue damage accumulation stage and crack propagation stage as a continuous process. Determination of model parameters are discussed, and then fatigue crack growth in a semicircular bending (SCB) beam is analyzed. Numerical results of fatigue crack growth in the SCB quantitatively matched well with experimental records. This indicates that the coupled XFEM-CDM method developed in this paper can serve as an effective tool for predicting fatigue cracking behavior of asphalt concrete. Fatigue cracking behavior and mechanical response of a three-point bending beam are also studied. Numerical findings of fatigue cracking lives and stiffness evolution are qualitatively consistent with laboratory results.
    publisherASCE
    titleFatigue Cracking Analysis of Asphalt Concrete Based on Coupled XFEM-Continuum Damage Mechanics Method
    typeJournal Paper
    journal volume33
    journal issue1
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)MT.1943-5533.0003503
    journal fristpage04020425
    journal lastpage04020425-8
    page8
    treeJournal of Materials in Civil Engineering:;2021:;Volume ( 033 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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