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    Experimental study of flexural behaviour of RC beams strengthened by longitudinal and U-shaped basalt FRP sheet

    256377.pdf (1.380Mb)
    Access Status
    Open access
    Authors
    Chen, Wensu
    Pham, Thong
    Sichembe, Henry
    Chen, L.
    Hao, Hong
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Chen, W. and Pham, T. and Sichembe, H. and Chen, L. and Hao, H. 2018. Experimental study of flexural behaviour of RC beams strengthened by longitudinal and U-shaped basalt FRP sheet. Composites Part B: Engineering. 134: pp. 114-126.
    Source Title
    Composites Part B: Engineering
    DOI
    10.1016/j.compositesb.2017.09.053
    ISSN
    1359-8368
    School
    Department of Civil Engineering
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/LP150100259
    URI
    http://hdl.handle.net/20.500.11937/57767
    Collection
    • Curtin Research Publications
    Abstract

    Fiber Reinforced Polymer (FRP) composite products such as Carbon FRP (CFRP) or Glass FRP (GFRP) have been intensively studied for strengthening reinforced concrete (RC) and masonry structures. It has been reported that FRP strengthening is effective to enhance the structural load-carrying capacity. Basalt FRP (BFRP) is a promising material for the application to structure strengthening with its advantages of low cost, corrosion resistant and sound mechanical property, but only limited studies of using Basalt FRP to externally strengthen RC beam are available in the literature. This study is to experimentally explore the effectiveness of application of Basalt FRP to strengthen RC beam under three-point bending test. The damage modes and structural response of unstrengthened and BFRP strengthened RC beams were recorded and identified. The effects of various BFRP wrapping schemes, U-jacket anchorage and epoxy adhesives on the flexural capacity of RC beams were analysed and discussed. In addition, the formulae used to predict the flexural behaviour of RC beam strengthened by other FRP composites (e.g. CFRP/GFRP) were evaluated for their applicability to Basalt FRP strengthening.

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