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    Constitutive Model for Confined High Strength Concrete Subjected to Cyclic Loading

    Source: Journal of Materials in Civil Engineering:;2004:;Volume ( 016 ):;issue: 004
    Author:
    Weena P. Lokuge
    ,
    J. G. Sanjayan
    ,
    Sujeeva Setunge
    DOI: 10.1061/(ASCE)0899-1561(2004)16:4(297)
    Publisher: American Society of Civil Engineers
    Abstract: The paper presents a constitutive model developed for high strength concrete with uniform lateral confinement subjected to cyclic axial compression. It is based on the testing program carried out for normal and high strength concrete. Compressive strengths of concrete at the time of testing were 44, 58, 83, and 106 MPa. Uniform confining pressures applied were 4, 8, and 12 MPa. The stress–strain model presented in this paper was developed based on triaxial test results, which were obtained under well-controlled conditions, where direct measurement of axial and lateral strains were possible. Ability to predict the axial as well as lateral strains in confined concrete is a superior attribute of the proposed model. When concrete is analyzed for passive confinement (such as the one provided by reinforcement), estimating the lateral strain is important because the lateral confinement directly depends on it. The proposed model can be used for modeling high strength concrete in seismic analysis of structures, where confining of concrete by reinforcement is essential for ductility.
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      Constitutive Model for Confined High Strength Concrete Subjected to Cyclic Loading

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/45945
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    • Journal of Materials in Civil Engineering

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    contributor authorWeena P. Lokuge
    contributor authorJ. G. Sanjayan
    contributor authorSujeeva Setunge
    date accessioned2017-05-08T21:17:42Z
    date available2017-05-08T21:17:42Z
    date copyrightAugust 2004
    date issued2004
    identifier other%28asce%290899-1561%282004%2916%3A4%28297%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/45945
    description abstractThe paper presents a constitutive model developed for high strength concrete with uniform lateral confinement subjected to cyclic axial compression. It is based on the testing program carried out for normal and high strength concrete. Compressive strengths of concrete at the time of testing were 44, 58, 83, and 106 MPa. Uniform confining pressures applied were 4, 8, and 12 MPa. The stress–strain model presented in this paper was developed based on triaxial test results, which were obtained under well-controlled conditions, where direct measurement of axial and lateral strains were possible. Ability to predict the axial as well as lateral strains in confined concrete is a superior attribute of the proposed model. When concrete is analyzed for passive confinement (such as the one provided by reinforcement), estimating the lateral strain is important because the lateral confinement directly depends on it. The proposed model can be used for modeling high strength concrete in seismic analysis of structures, where confining of concrete by reinforcement is essential for ductility.
    publisherAmerican Society of Civil Engineers
    titleConstitutive Model for Confined High Strength Concrete Subjected to Cyclic Loading
    typeJournal Paper
    journal volume16
    journal issue4
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)0899-1561(2004)16:4(297)
    treeJournal of Materials in Civil Engineering:;2004:;Volume ( 016 ):;issue: 004
    contenttypeFulltext
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