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    Axial–Flexural Performance of High-Strength-Concrete Bridge Compression Members Reinforced with Basalt-FRP Bars and Ties: Experimental and Theoretical Investigation

    Source: Journal of Bridge Engineering:;2019:;Volume ( 024 ):;issue: 007
    Author:
    Ashraf Salah-Eldin
    ,
    Hamdy M. Mohamed
    ,
    Brahim Benmokrane
    DOI: 10.1061/(ASCE)BE.1943-5592.0001448
    Publisher: American Society of Civil Engineers
    Abstract: The forthcoming editions of the American and Canadian design codes will include complete sections with provisions on designing nonprestressed-concrete compression members (columns, piles, and piers) reinforced with fiber-reinforced polymer (FRP) bars subjected to combined axial and flexural load. This article presents the results of a research program investigating the use of newly developed sand-coated basalt-FRP (BFRP) bars and ties in axial–flexural members made with high-strength concrete (HSC). Eight full-scale concrete columns 400 × 400 mm in cross section and 2,000 mm in height were constructed and tested. The test variables were eccentricity-to-depth ratio and reinforcement type (BFRP and steel bars and ties). The test results indicate that the specimens reinforced with BFRP bars and ties under different levels of eccentricity behaved similarly to their steel-reinforced counterparts. An analytical study was conducted to predict the axial–flexural capacity. A parametric study was introduced to examine the effect of increasing the reinforcement ratio and concrete strength. Moreover, the effective flexural stiffness was estimated and plotted at different load levels and compared with design-equation results. The findings of this investigation can be considered as a fundamental step toward developing code provisions for the use of BFRP bars and ties as internal reinforcement in bridge pier and pile applications.
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      Axial–Flexural Performance of High-Strength-Concrete Bridge Compression Members Reinforced with Basalt-FRP Bars and Ties: Experimental and Theoretical Investigation

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4259527
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    contributor authorAshraf Salah-Eldin
    contributor authorHamdy M. Mohamed
    contributor authorBrahim Benmokrane
    date accessioned2019-09-18T10:37:31Z
    date available2019-09-18T10:37:31Z
    date issued2019
    identifier other%28ASCE%29BE.1943-5592.0001448.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4259527
    description abstractThe forthcoming editions of the American and Canadian design codes will include complete sections with provisions on designing nonprestressed-concrete compression members (columns, piles, and piers) reinforced with fiber-reinforced polymer (FRP) bars subjected to combined axial and flexural load. This article presents the results of a research program investigating the use of newly developed sand-coated basalt-FRP (BFRP) bars and ties in axial–flexural members made with high-strength concrete (HSC). Eight full-scale concrete columns 400 × 400 mm in cross section and 2,000 mm in height were constructed and tested. The test variables were eccentricity-to-depth ratio and reinforcement type (BFRP and steel bars and ties). The test results indicate that the specimens reinforced with BFRP bars and ties under different levels of eccentricity behaved similarly to their steel-reinforced counterparts. An analytical study was conducted to predict the axial–flexural capacity. A parametric study was introduced to examine the effect of increasing the reinforcement ratio and concrete strength. Moreover, the effective flexural stiffness was estimated and plotted at different load levels and compared with design-equation results. The findings of this investigation can be considered as a fundamental step toward developing code provisions for the use of BFRP bars and ties as internal reinforcement in bridge pier and pile applications.
    publisherAmerican Society of Civil Engineers
    titleAxial–Flexural Performance of High-Strength-Concrete Bridge Compression Members Reinforced with Basalt-FRP Bars and Ties: Experimental and Theoretical Investigation
    typeJournal Paper
    journal volume24
    journal issue7
    journal titleJournal of Bridge Engineering
    identifier doi10.1061/(ASCE)BE.1943-5592.0001448
    page04019069
    treeJournal of Bridge Engineering:;2019:;Volume ( 024 ):;issue: 007
    contenttypeFulltext
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