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    Coarse bauxite residue for roadway construction materials

    186944_186944.pdf (1.820Mb)
    Access Status
    Open access
    Authors
    Jitsangiam, Peerapong
    Nikraz, Hamid
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Jitsangiam, Peerapong and Nikraz, Hamid. 2012. Coarse bauxite residue for roadway construction materials. International Journal of Pavement Engineering. 14 (3): pp. 265-273.
    Source Title
    International Journal of Pavement Engineering
    DOI
    10.1080/10298436.2012.705843
    ISSN
    1029-8436
    Remarks

    This is an Author's Accepted Manuscript of an article published in the International Journal of Pavement Engineering, 2012, copyright Taylor & Francis, available online at: <a href="http://www.tandfonline.com/10.1080/10298436.2012.705843">http://www.tandfonline.com/10.1080/10298436.2012.705843</a>

    URI
    http://hdl.handle.net/20.500.11937/36248
    Collection
    • Curtin Research Publications
    Abstract

    About 25 million tonnes of bauxite residue (BR) from alumina refining are generated in Australia each year. Managing this residue is costly, and the reuse of coarse BRs is becoming an increasingly attractive and sustainable solution to the problem. Using coarse BR in road construction has the potential for large volume reuse. This study investigated whether coarse BR is a viable road base material in Western Australia. A pozzolanic-stabilised mixture was created to improve the properties ofthe residue to satisfy the minimum requirements for road base. Laboratory tests for resilient modulus and permanent deformation were then carried out. Comparisons were made between the stabilised residue and conventional road base material used in Western Australia. The performance of the stabilised residue was superior to that of the conventional material, which can provide improved performance when used as road base material in Western Australia.

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