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    Simplified Approach to Evaluate Creep and Shrinkage Effects in Steel-Concrete Composite Beams

    Source: Journal of Structural Engineering:;1997:;Volume ( 123 ):;issue: 009
    Author:
    Claudio Amadio
    ,
    Massimo Fragiacomo
    DOI: 10.1061/(ASCE)0733-9445(1997)123:9(1153)
    Publisher: American Society of Civil Engineers
    Abstract: A simplified approach to evaluate creep and shrinkage effects in a steel-concrete composite beam with rigid or deformable connections, based on the age-adjusted effective modulus method, is presented. An aging coefficient, χ, evaluated in the absence of connection is adopted and exactly characterized by a theoretical point of view. Simplified expressions to evaluate χ and an easy to use, closed-form solution in the hypothesis of rigid connections and uncracked concrete are proposed. Numerical comparisons show how the proposed approach provides accurate results independently of the connection stiffness and load condition, and how it can substitute appropriately the more popular effective modulus method.
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      Simplified Approach to Evaluate Creep and Shrinkage Effects in Steel-Concrete Composite Beams

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    contributor authorClaudio Amadio
    contributor authorMassimo Fragiacomo
    date accessioned2017-05-08T20:56:51Z
    date available2017-05-08T20:56:51Z
    date copyrightSeptember 1997
    date issued1997
    identifier other%28asce%290733-9445%281997%29123%3A9%281153%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/32816
    description abstractA simplified approach to evaluate creep and shrinkage effects in a steel-concrete composite beam with rigid or deformable connections, based on the age-adjusted effective modulus method, is presented. An aging coefficient, χ, evaluated in the absence of connection is adopted and exactly characterized by a theoretical point of view. Simplified expressions to evaluate χ and an easy to use, closed-form solution in the hypothesis of rigid connections and uncracked concrete are proposed. Numerical comparisons show how the proposed approach provides accurate results independently of the connection stiffness and load condition, and how it can substitute appropriately the more popular effective modulus method.
    publisherAmerican Society of Civil Engineers
    titleSimplified Approach to Evaluate Creep and Shrinkage Effects in Steel-Concrete Composite Beams
    typeJournal Paper
    journal volume123
    journal issue9
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)0733-9445(1997)123:9(1153)
    treeJournal of Structural Engineering:;1997:;Volume ( 123 ):;issue: 009
    contenttypeFulltext
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