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    Eccentric compression behaviour of concrete columns reinforced with steel-FRP composite bars

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    Publication date
    2021
    Author
    Ge, W.
    Chen, K.
    Guan, Z.
    Ashour, Ashraf F.
    Lu, W.
    Cao, D.
    Keyword
    Steel-FRP composite bar (SFCB)
    Concrete column
    Eccentric compression
    Bearing capacity
    Lateral deflection
    Crack width
    Rights
    © 2021 Elsevier. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.
    Peer-Reviewed
    Yes
    Open Access status
    Green
    
    Metadata
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    Abstract
    Eccentric compression behaviour of reinforced concrete (RC) columns reinforced by steel-FRP composite bars (SFCBs) was investigated through experimental work and theoretical analyses. The tension and compression test results show that SFCBs demonstrate a stable post-yield stiffness. The mechanical properties of the composite reinforcement have a significant influence on eccentric compression behaviour of the reinforced concrete columns, in terms of failure mode, crack width, deformation and bearing capacity. Formulae were also developed to discriminate failure mode and to determine moment magnification factor, bearing capacity and crack width of the columns studied, with the theoretical predictions being in a good agreement with the experimental results. In addition, parametric studies were conducted to evaluate the effects of mechanical properties of reinforcement, reinforcement ratio, eccentricity, slenderness ratio, types of reinforcement and concrete on the eccentric compression behaviour of RC columns. The results show that the compressive performance is significantly improved by using the high performance concrete, i.e. reactive powder concrete (RPC) and engineered cementious composites (ECC).
    URI
    http://hdl.handle.net/10454/18412
    Version
    Accepted manuscript
    Citation
    Ge W, Chen K, Guan Z et al (2021) Eccentric compression behaviour of concrete columns reinforced with steel-FRP composite bars. Engineering Structures. Accepted for Publication.
    Type
    Article
    Notes
    The full-text of this article will be released for public view at the end of the publisher embargo - 12 months after publication.
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