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    Fatigue Life Evaluation of Concrete Bridge Deck Slabs Reinforced with Glass FRP Composite Bars

    Source: Journal of Composites for Construction:;2007:;Volume ( 011 ):;issue: 003
    Author:
    Amr El-Ragaby
    ,
    Ehab El-Salakawy
    ,
    Brahim Benmokrane
    DOI: 10.1061/(ASCE)1090-0268(2007)11:3(258)
    Publisher: American Society of Civil Engineers
    Abstract: Since bridge deck slabs directly sustain repeated moving wheel loads, they are one of the most bridge elements susceptible to fatigue failure. Recently, glass fiber-reinforced polymer (FRP) composites have been widely used as internal reinforcement for concrete bridge deck slabs as they are less expensive compared to the other kinds of FRPs (carbon and aramid). However, there is still a lack of information on the performance of FRP–reinforced concrete elements subjected to cyclic fatigue loading. This research is designed to investigate the fatigue behavior and fatigue life of concrete bridge deck slabs reinforced with glass FRP bars. A total of five full-scale deck slabs were constructed and tested under concentrated cyclic loading until failure. Different reinforcement types (steel and glass FRP), ratios, and configurations were used. Different schemes of cyclic loading (accelerated variable amplitude fatigue loading) were applied. Results are presented in terms of deflections, strains in concrete and FRP bars, and crack widths at different levels of cyclic loading. The results showed the superior fatigue performance and longer fatigue life of concrete bridge deck slabs reinforced with glass FRP composite bars.
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      Fatigue Life Evaluation of Concrete Bridge Deck Slabs Reinforced with Glass FRP Composite Bars

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    http://yetl.yabesh.ir/yetl1/handle/yetl/54444
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    contributor authorAmr El-Ragaby
    contributor authorEhab El-Salakawy
    contributor authorBrahim Benmokrane
    date accessioned2017-05-08T21:30:57Z
    date available2017-05-08T21:30:57Z
    date copyrightJune 2007
    date issued2007
    identifier other%28asce%291090-0268%282007%2911%3A3%28258%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/54444
    description abstractSince bridge deck slabs directly sustain repeated moving wheel loads, they are one of the most bridge elements susceptible to fatigue failure. Recently, glass fiber-reinforced polymer (FRP) composites have been widely used as internal reinforcement for concrete bridge deck slabs as they are less expensive compared to the other kinds of FRPs (carbon and aramid). However, there is still a lack of information on the performance of FRP–reinforced concrete elements subjected to cyclic fatigue loading. This research is designed to investigate the fatigue behavior and fatigue life of concrete bridge deck slabs reinforced with glass FRP bars. A total of five full-scale deck slabs were constructed and tested under concentrated cyclic loading until failure. Different reinforcement types (steel and glass FRP), ratios, and configurations were used. Different schemes of cyclic loading (accelerated variable amplitude fatigue loading) were applied. Results are presented in terms of deflections, strains in concrete and FRP bars, and crack widths at different levels of cyclic loading. The results showed the superior fatigue performance and longer fatigue life of concrete bridge deck slabs reinforced with glass FRP composite bars.
    publisherAmerican Society of Civil Engineers
    titleFatigue Life Evaluation of Concrete Bridge Deck Slabs Reinforced with Glass FRP Composite Bars
    typeJournal Paper
    journal volume11
    journal issue3
    journal titleJournal of Composites for Construction
    identifier doi10.1061/(ASCE)1090-0268(2007)11:3(258)
    treeJournal of Composites for Construction:;2007:;Volume ( 011 ):;issue: 003
    contenttypeFulltext
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