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    Application of Nlfea to Concrete Structures

    Source: Journal of Structural Engineering:;1985:;Volume ( 111 ):;issue: 012
    Author:
    Claude Bédard
    ,
    Michael D. Kotsovos
    DOI: 10.1061/(ASCE)0733-9445(1985)111:12(2691)
    Publisher: American Society of Civil Engineers
    Abstract: Nonlinear finite element analysis (NLFEA) systems are rarely used in practice for the analysis of concrete structures even though several systems have been developed to date. The main reason appears to be a lack of agreement concerning the numerical description of material behavior characteristics. A successful NLFEA system is developed by incorporating realistic descriptions of material characteristics into a basically standard nonlinear finite element package. The system applies to the analysis of concrete structures under shortterm plane stress and axisymmetric loading conditions. Simple, yet realistic, numerical models are presented to describe important features of material behavior such as failure criteria and deformational properties of concrete and steel, fracture processes of concrete and steel‐concrete interaction. Procedures to represent crack propagation in concrete appear to influence significantly the quality of predictions. Three structural configurations of known experimental performance are finally analyzed. The predictions show good agreement with the experiment which is typical of several analyses covering a wide range of concrete structural forms.
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      Application of Nlfea to Concrete Structures

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    contributor authorClaude Bédard
    contributor authorMichael D. Kotsovos
    date accessioned2017-05-08T20:51:30Z
    date available2017-05-08T20:51:30Z
    date copyrightDecember 1985
    date issued1985
    identifier other%28asce%290733-9445%281985%29111%3A12%282691%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/29482
    description abstractNonlinear finite element analysis (NLFEA) systems are rarely used in practice for the analysis of concrete structures even though several systems have been developed to date. The main reason appears to be a lack of agreement concerning the numerical description of material behavior characteristics. A successful NLFEA system is developed by incorporating realistic descriptions of material characteristics into a basically standard nonlinear finite element package. The system applies to the analysis of concrete structures under shortterm plane stress and axisymmetric loading conditions. Simple, yet realistic, numerical models are presented to describe important features of material behavior such as failure criteria and deformational properties of concrete and steel, fracture processes of concrete and steel‐concrete interaction. Procedures to represent crack propagation in concrete appear to influence significantly the quality of predictions. Three structural configurations of known experimental performance are finally analyzed. The predictions show good agreement with the experiment which is typical of several analyses covering a wide range of concrete structural forms.
    publisherAmerican Society of Civil Engineers
    titleApplication of Nlfea to Concrete Structures
    typeJournal Paper
    journal volume111
    journal issue12
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)0733-9445(1985)111:12(2691)
    treeJournal of Structural Engineering:;1985:;Volume ( 111 ):;issue: 012
    contenttypeFulltext
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