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    Effect of aggregate size on bond behaviour between basalt fibre reinforced polymer sheets and concrete

    72223.pdf (351.0Kb)
    Access Status
    Open access
    Authors
    Yuan, C.
    Chen, Wensu
    Pham, Thong
    Hao, Hong
    Date
    2019
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Yuan, C. and Chen, W. and Pham, T. and Hao, H. 2019. Effect of aggregate size on bond behaviour between basalt fibre reinforced polymer sheets and concrete. Composites Part B-Engineering. 158: pp. 459-474.
    Source Title
    Composites Part B-Engineering
    DOI
    10.1016/j.compositesb.2018.09.089
    ISSN
    1359-8368
    School
    School of Civil and Mechanical Engineering (CME)
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/LP150100259
    URI
    http://hdl.handle.net/20.500.11937/71980
    Collection
    • Curtin Research Publications
    Abstract

    The effect of aggregate size on the interfacial bond behaviour between BFRP sheets and concrete is investigated in this study by conducting single-lap shear tests. The effect of aggregate sizes (i.e. 5–10 mm, 10–15 mm, and 15–20 mm) on the debonding load, maximum bond stress, effective bond length, local slip at peak shear stress, as well as the bond-slip relationship between the BFRP sheets and concrete are presented and discussed. The experimental results have shown a significant effect of the aggregate size on the interfacial bond-slip behaviour. The interfacial shear stress decreased when the aggregate size increased due to the decreased tensile strength of concrete. The relative slip between BFRP and concrete at the peak bond stress increased with the increasing aggregate size also because of the reduced tensile strength of concrete. Existing models regarding the bond strength and interfacial bond-slip are adopted and recalibrated against the experimental results in which the size effect of aggregates is incorporated.

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