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    Failure Analysis of Initially Cracked Concrete Structures

    Source: Journal of Engineering Mechanics:;1997:;Volume ( 123 ):;issue: 011
    Author:
    L. Bodé
    ,
    J. L. Tailhan
    ,
    G. Pijaudier-Cabot
    ,
    C. La Borderie
    ,
    J. L. Clément
    DOI: 10.1061/(ASCE)0733-9399(1997)123:11(1153)
    Publisher: American Society of Civil Engineers
    Abstract: Fracture mechanics is very often employed in analyses of cracked structural components. We present here another technique that is based on the equivalence between a crack, its process zone, and a distribution of damage. It is a simplified method aimed at approximating the distribution of damage around an existing crack. This approximation is based on the analysis of localization with a nonlocal damage model. Finite-element calculations on a compact tension concrete specimen for several initial crack lengths are presented and compared with experiments. The method is shown to yield errors less than 20% on the prediction of the load reduction factor as a function of the initial crack length. The method is also extended to the prediction of the response of fiber-reinforced components with initial damage. The response of cracked fiber-reinforced concrete (FRC) beams is computed and compared with the results of original experiments, where the loading conditions that created the initial crack are different from those leading to failure.
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      Failure Analysis of Initially Cracked Concrete Structures

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    http://yetl.yabesh.ir/yetl1/handle/yetl/84521
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    • Journal of Engineering Mechanics

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    contributor authorL. Bodé
    contributor authorJ. L. Tailhan
    contributor authorG. Pijaudier-Cabot
    contributor authorC. La Borderie
    contributor authorJ. L. Clément
    date accessioned2017-05-08T22:38:10Z
    date available2017-05-08T22:38:10Z
    date copyrightNovember 1997
    date issued1997
    identifier other%28asce%290733-9399%281997%29123%3A11%281153%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/84521
    description abstractFracture mechanics is very often employed in analyses of cracked structural components. We present here another technique that is based on the equivalence between a crack, its process zone, and a distribution of damage. It is a simplified method aimed at approximating the distribution of damage around an existing crack. This approximation is based on the analysis of localization with a nonlocal damage model. Finite-element calculations on a compact tension concrete specimen for several initial crack lengths are presented and compared with experiments. The method is shown to yield errors less than 20% on the prediction of the load reduction factor as a function of the initial crack length. The method is also extended to the prediction of the response of fiber-reinforced components with initial damage. The response of cracked fiber-reinforced concrete (FRC) beams is computed and compared with the results of original experiments, where the loading conditions that created the initial crack are different from those leading to failure.
    publisherAmerican Society of Civil Engineers
    titleFailure Analysis of Initially Cracked Concrete Structures
    typeJournal Paper
    journal volume123
    journal issue11
    journal titleJournal of Engineering Mechanics
    identifier doi10.1061/(ASCE)0733-9399(1997)123:11(1153)
    treeJournal of Engineering Mechanics:;1997:;Volume ( 123 ):;issue: 011
    contenttypeFulltext
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