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    Flexural Performance and Design of Concrete Beams Reinforced with BFRP and Steel Bars

    Source: Journal of Composites for Construction:;2023:;Volume ( 027 ):;issue: 006::page 04023062-1
    Author:
    Shui Liu
    ,
    Xin Wang
    ,
    Yahia M. S. Ali
    ,
    Chang Su
    ,
    Zhishen Wu
    DOI: 10.1061/JCCOF2.CCENG-4294
    Publisher: ASCE
    Abstract: This study aims to investigate the flexural performance and design methods of flexural concrete beams reinforced with basalt fiber–reinforced polymer (BFRP) and steel bars. Eight concrete beams, which included six reinforced with a combination of BFRP and steel bars, one reinforced with only steel bars, and one reinforced with only BFRP bars, were constructed and then tested under four-point loading. For hybrid-reinforced concrete (RC) beams, two types of BFRP bars (ribbed and sand-coated) and different reinforcement ratios were considered. The test results are discussed in terms of the flexural capacity, reinforcement strain, deflection responses, and cracking behavior. Experimental results showed that the crack width of the hybrid-RC beam, obtained by adding BFRP bars in the concrete cover of the steel-RC beam, reduced by approximately 40% compared with that of the steel-RC beam, and the strength utilization of BFRP bars in hybrid-RC beams was higher than that in the BFRP-RC beam. Additionally, the cracking moment, nominal flexural strength, and midspan deflection of the hybrid-RC beams were predicted by using existing design models. The bond-dependent coefficients (kb) of the ribbed and sand-coated BFRP bars were assessed by using test data.
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      Flexural Performance and Design of Concrete Beams Reinforced with BFRP and Steel Bars

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    contributor authorShui Liu
    contributor authorXin Wang
    contributor authorYahia M. S. Ali
    contributor authorChang Su
    contributor authorZhishen Wu
    date accessioned2024-04-27T20:59:54Z
    date available2024-04-27T20:59:54Z
    date issued2023/12/01
    identifier other10.1061-JCCOF2.CCENG-4294.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4296414
    description abstractThis study aims to investigate the flexural performance and design methods of flexural concrete beams reinforced with basalt fiber–reinforced polymer (BFRP) and steel bars. Eight concrete beams, which included six reinforced with a combination of BFRP and steel bars, one reinforced with only steel bars, and one reinforced with only BFRP bars, were constructed and then tested under four-point loading. For hybrid-reinforced concrete (RC) beams, two types of BFRP bars (ribbed and sand-coated) and different reinforcement ratios were considered. The test results are discussed in terms of the flexural capacity, reinforcement strain, deflection responses, and cracking behavior. Experimental results showed that the crack width of the hybrid-RC beam, obtained by adding BFRP bars in the concrete cover of the steel-RC beam, reduced by approximately 40% compared with that of the steel-RC beam, and the strength utilization of BFRP bars in hybrid-RC beams was higher than that in the BFRP-RC beam. Additionally, the cracking moment, nominal flexural strength, and midspan deflection of the hybrid-RC beams were predicted by using existing design models. The bond-dependent coefficients (kb) of the ribbed and sand-coated BFRP bars were assessed by using test data.
    publisherASCE
    titleFlexural Performance and Design of Concrete Beams Reinforced with BFRP and Steel Bars
    typeJournal Article
    journal volume27
    journal issue6
    journal titleJournal of Composites for Construction
    identifier doi10.1061/JCCOF2.CCENG-4294
    journal fristpage04023062-1
    journal lastpage04023062-14
    page14
    treeJournal of Composites for Construction:;2023:;Volume ( 027 ):;issue: 006
    contenttypeFulltext
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