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    Creep Behavior of FRP-Reinforced Wood Members

    Source: Journal of Structural Engineering:;1995:;Volume ( 121 ):;issue: 002
    Author:
    Nikolaos Plevris
    ,
    Thanasis C. Triantafillou
    DOI: 10.1061/(ASCE)0733-9445(1995)121:2(174)
    Publisher: American Society of Civil Engineers
    Abstract: In this study, the writers aim to provide a basic understanding of the creep behavior of wood members reinforced with fiber-reinforced plastic (FRP) materials epoxy-bonded to the tension faces. An analytical method is presented first for the deformation of cross sections based on a Burger model combined with a mechanosorptive element for wood, Findley's model for composite materials, and a stress-relaxation procedure to yield the cross-section stresses and strains as a function of time, for both constant and variable temperature and humidity conditions. Parametric studies assessing the effect of the type and area fraction of composite material on the creep response of FRP-reinforced wood members are also presented, for both constant and variable environment. Finally, the analytical model is employed to predict the time-dependent deflections of wood beams reinforced with carbon fiber-reinforced plastic (CFRP) laminates of different thicknesses, and the results of a short experimental program involving FRP-reinforced wood beams under constant environment conditions are also described. The (limited) results are in good agreement with the analytical model.
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      Creep Behavior of FRP-Reinforced Wood Members

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    http://yetl.yabesh.ir/yetl1/handle/yetl/32161
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    contributor authorNikolaos Plevris
    contributor authorThanasis C. Triantafillou
    date accessioned2017-05-08T20:55:50Z
    date available2017-05-08T20:55:50Z
    date copyrightFebruary 1995
    date issued1995
    identifier other%28asce%290733-9445%281995%29121%3A2%28174%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/32161
    description abstractIn this study, the writers aim to provide a basic understanding of the creep behavior of wood members reinforced with fiber-reinforced plastic (FRP) materials epoxy-bonded to the tension faces. An analytical method is presented first for the deformation of cross sections based on a Burger model combined with a mechanosorptive element for wood, Findley's model for composite materials, and a stress-relaxation procedure to yield the cross-section stresses and strains as a function of time, for both constant and variable temperature and humidity conditions. Parametric studies assessing the effect of the type and area fraction of composite material on the creep response of FRP-reinforced wood members are also presented, for both constant and variable environment. Finally, the analytical model is employed to predict the time-dependent deflections of wood beams reinforced with carbon fiber-reinforced plastic (CFRP) laminates of different thicknesses, and the results of a short experimental program involving FRP-reinforced wood beams under constant environment conditions are also described. The (limited) results are in good agreement with the analytical model.
    publisherAmerican Society of Civil Engineers
    titleCreep Behavior of FRP-Reinforced Wood Members
    typeJournal Paper
    journal volume121
    journal issue2
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)0733-9445(1995)121:2(174)
    treeJournal of Structural Engineering:;1995:;Volume ( 121 ):;issue: 002
    contenttypeFulltext
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