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    Fire endurance of steel reinforced fly ash geopolymer concrete elements

    227689_227689.pdf (644.6Kb)
    Access Status
    Open access
    Authors
    Sarker, Prabir
    McBeath, S.
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Sarker, P. and McBeath, S. 2015. Fire endurance of steel reinforced fly ash geopolymer concrete elements. Construction and Building Materials. 90: pp. 91-98.
    Source Title
    Construction and Building Materials
    DOI
    10.1016/j.conbuildmat.2015.04.054
    ISSN
    0950-0618
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/45232
    Collection
    • Curtin Research Publications
    Abstract

    As a new alternative to OPC, investigation into the fire endurance of geopolymer concrete is of utmost importance in order to ensure safety. Geopolymer and OPC concrete panels of 125–175 mm thickness containing a layer of steel mesh were exposed to fire for 2 h. Test results show higher heat transfer rate and less cracking and spalling in the geopolymer concrete specimens. The residual load capacity was between 61% and 71% for the geopolymer and between 50% and 53% for the OPC concrete panels. Thus, the reinforced geopolymer concrete elements demonstrated superior fire endurance than the OPC counterparts.

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