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    Axial Behavior of Columns with Glass Fiber-Reinforced Polymer Composite Shells and Syntactic Foam Core

    Source: Journal of Composites for Construction:;2019:;Volume ( 023 ):;issue: 002
    Author:
    Jun Wang; Hota GangaRao; Mengting Li; Ruifeng Liang; Weiqing Liu
    DOI: 10.1061/(ASCE)CC.1943-5614.0000926
    Publisher: American Society of Civil Engineers
    Abstract: Syntactic foams (hollow glass macrospheres bonded with a polymer matrix) encased in glass fiber-reinforced polymer (GFRP) composite shells have the potential to enhance structural performance and energy absorption. To investigate this hypothesis, several load carrying structural columns with a GFRP composite shell encasing a syntactic foam core were designed, manufactured, and tested under axial compression, with a focus on optimal energy absorption and compressive force resistance. The structural responses of column specimens and the foam core alone were assessed via load, strain, and deflection responses. The following parameters were varied to induce different failure modes: (1) shell thickness; (2) fiber volume percent in both the longitudinal and circumferential directions; (3) syntactic foam density; and (4) cross-shaped fiber orientation of GFRP web. Based on the experimental data, a strength prediction model was developed to predict the axial load capacity, including the buckling limits of the hollow GFRP tubes and syntactic foam columns with GFRP shells. The predictions are relatively simple and provided good accuracy when compared with the experimental data.
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      Axial Behavior of Columns with Glass Fiber-Reinforced Polymer Composite Shells and Syntactic Foam Core

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4254560
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    contributor authorJun Wang; Hota GangaRao; Mengting Li; Ruifeng Liang; Weiqing Liu
    date accessioned2019-03-10T11:58:04Z
    date available2019-03-10T11:58:04Z
    date issued2019
    identifier other%28ASCE%29CC.1943-5614.0000926.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4254560
    description abstractSyntactic foams (hollow glass macrospheres bonded with a polymer matrix) encased in glass fiber-reinforced polymer (GFRP) composite shells have the potential to enhance structural performance and energy absorption. To investigate this hypothesis, several load carrying structural columns with a GFRP composite shell encasing a syntactic foam core were designed, manufactured, and tested under axial compression, with a focus on optimal energy absorption and compressive force resistance. The structural responses of column specimens and the foam core alone were assessed via load, strain, and deflection responses. The following parameters were varied to induce different failure modes: (1) shell thickness; (2) fiber volume percent in both the longitudinal and circumferential directions; (3) syntactic foam density; and (4) cross-shaped fiber orientation of GFRP web. Based on the experimental data, a strength prediction model was developed to predict the axial load capacity, including the buckling limits of the hollow GFRP tubes and syntactic foam columns with GFRP shells. The predictions are relatively simple and provided good accuracy when compared with the experimental data.
    publisherAmerican Society of Civil Engineers
    titleAxial Behavior of Columns with Glass Fiber-Reinforced Polymer Composite Shells and Syntactic Foam Core
    typeJournal Paper
    journal volume23
    journal issue2
    journal titleJournal of Composites for Construction
    identifier doi10.1061/(ASCE)CC.1943-5614.0000926
    page04018083
    treeJournal of Composites for Construction:;2019:;Volume ( 023 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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