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    Performance Evaluation of Repair Technique for Damaged Fiber-Reinforced Polymer Honeycomb Bridge Deck Panels

    Source: Journal of Bridge Engineering:;2004:;Volume ( 009 ):;issue: 001
    Author:
    Ondrej Kalny
    ,
    Robert J. Peterman
    ,
    Guillermo Ramirez
    DOI: 10.1061/(ASCE)1084-0702(2004)9:1(75)
    Publisher: American Society of Civil Engineers
    Abstract: All-composite, fiber-reinforced polymer honeycomb (FRPH) sandwich panels are an innovative application of modern composite materials in civil engineering. These panels have become increasingly popular for use as full-depth bridge decks and have been used to span both transversely between steel or concrete girders and longitudinally between abutments. Although several bridges using FRPH panels have been installed in recent years, a method to repair the panels if they are damaged has not been thoroughly investigated. This paper presents the analysis and full-scale evaluation of a 9.75 m (32 ft) long FRPH member that was subjected to severe core-face delamination damage and subsequently repaired. As such, the work presented herein is the first of its kind to be conducted for FRPH bridge members. The damaged member when repaired was shown to have approximately 65% more capacity than a similar undamaged member. The additional capacity was achieved using a single wrapping layer over the face plates and sinusoidal core. This wrapping layer is believed to have prevented a failure (at the resin bond line) between the face plates and core by engaging a shear-friction type clamping force. The contribution of the wrap layer is considered using simple calculations, rigorous finite-element models, and experimental data. Acoustic emission monitoring was used to compare the performance of the damaged and repaired specimens under sustained load.
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      Performance Evaluation of Repair Technique for Damaged Fiber-Reinforced Polymer Honeycomb Bridge Deck Panels

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    http://yetl.yabesh.ir/yetl1/handle/yetl/50720
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    • Journal of Bridge Engineering

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    contributor authorOndrej Kalny
    contributor authorRobert J. Peterman
    contributor authorGuillermo Ramirez
    date accessioned2017-05-08T21:25:09Z
    date available2017-05-08T21:25:09Z
    date copyrightJanuary 2004
    date issued2004
    identifier other%28asce%291084-0702%282004%299%3A1%2875%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/50720
    description abstractAll-composite, fiber-reinforced polymer honeycomb (FRPH) sandwich panels are an innovative application of modern composite materials in civil engineering. These panels have become increasingly popular for use as full-depth bridge decks and have been used to span both transversely between steel or concrete girders and longitudinally between abutments. Although several bridges using FRPH panels have been installed in recent years, a method to repair the panels if they are damaged has not been thoroughly investigated. This paper presents the analysis and full-scale evaluation of a 9.75 m (32 ft) long FRPH member that was subjected to severe core-face delamination damage and subsequently repaired. As such, the work presented herein is the first of its kind to be conducted for FRPH bridge members. The damaged member when repaired was shown to have approximately 65% more capacity than a similar undamaged member. The additional capacity was achieved using a single wrapping layer over the face plates and sinusoidal core. This wrapping layer is believed to have prevented a failure (at the resin bond line) between the face plates and core by engaging a shear-friction type clamping force. The contribution of the wrap layer is considered using simple calculations, rigorous finite-element models, and experimental data. Acoustic emission monitoring was used to compare the performance of the damaged and repaired specimens under sustained load.
    publisherAmerican Society of Civil Engineers
    titlePerformance Evaluation of Repair Technique for Damaged Fiber-Reinforced Polymer Honeycomb Bridge Deck Panels
    typeJournal Paper
    journal volume9
    journal issue1
    journal titleJournal of Bridge Engineering
    identifier doi10.1061/(ASCE)1084-0702(2004)9:1(75)
    treeJournal of Bridge Engineering:;2004:;Volume ( 009 ):;issue: 001
    contenttypeFulltext
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