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    Bond behavior between basalt fibres reinforced polymer sheets and steel fibres reinforced concrete

    71048.pdf (391.4Kb)
    Access Status
    Open access
    Authors
    Yuan, C.
    Chen, Wensu
    Pham, Thong
    Hao, Hong
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Yuan, C. and Chen, W. and Pham, T. and Hao, H. 2018. Bond behavior between basalt fibres reinforced polymer sheets and steel fibres reinforced concrete. Engineering Structures. 176: pp. 812-824.
    Source Title
    Engineering Structures
    DOI
    10.1016/j.engstruct.2018.09.052
    ISSN
    0141-0296
    School
    School of Civil and Mechanical Engineering (CME)
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/LP150100259
    URI
    http://hdl.handle.net/20.500.11937/70805
    Collection
    • Curtin Research Publications
    Abstract

    Bonding behavior between FRP and Steel fibre reinforced concrete is not well studied. This study experimentally investigates the interfacial bond behavior between basalt fibre reinforced polymer sheet (BFRP) and steel fibre reinforced concrete (SFRC). Short steel fibres with four volume fractions were used to investigate the interfacial bond behavior of BFRP-SFRC as the mechanical properties of the concrete substrate (i.e. compressive strength and tensile strength) can be improved by adding steel fibres. The effects of volume fraction on the bond strength, effective bond length, local slip at the peak shear stress, and interfacial bond-slip relationship are evaluated and discussed. The experimental results showed that the debonding process becomes more ductile as the debonding plateau in the load and displacement curves has been significantly extended. Findings from the present tests show that the specimens with steel fibres of 0.25%, 0.50% and 1.0% experienced significant increase in the peak interfacial shear stress up to 31%, 53%, and 76% over the control specimen without steel fibres, respectively. In addition, the analytical bond strength models and interfacial bond-slip models, incorporating the effect of short steel fibres, are proposed.

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