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    DSC modelling for Predicting Resilient Modulus of Crushed Rock Base as a Road Base Material for Western Australia Roads

    195039_94775_Khobklang_et_al_2013_JTTE.pdf (1.879Mb)
    Access Status
    Open access
    Authors
    Khobklang, Pakdee
    Vimonsatit, Vanissorn
    Jitsangiam, Peerapong
    Nikraz, Hamid
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Khobklang, Pakdee and Vimonsatit, Vanissorn and Jitsangiam, Peerapong and Nikraz, Hamid. 2013. DSC modelling for Predicting Resilient Modulus of Crushed Rock Base as a Road Base Material for Western Australia Roads. Journal of Traffic and Transportation Engineering. 13 (2): pp. 10-16.
    Source Title
    Journal of Traffic and Transportation Engineering
    ISSN
    16711637
    Remarks

    The full text is accessible from the link in the Related Links field

    URI
    http://hdl.handle.net/20.500.11937/14058
    Collection
    • Curtin Research Publications
    Abstract

    In order to increase the applied efficiency of crushed rock base (CRB) in pavement structure design for Western Australia roads, the material modelling based on the experimental results was investigated, and the disturbed state concept (DSC) was used to predict the resilient modulus of CRB because of its simplicity and strong ability in capturing the elastic and inelastic responses of materials to loads. The actual deformation of DSC, at any loading state, was determined from its assumed relative intact (RI) state. The DSC equation of CRB was constructed by using a set of experimental results of resilient modulus tests, and an idealized material model, namely the linear elastic model, of relative intact (RI) part was considered. Analysis results reveal that the resilient modulus-applied stress relationships back-predicted by using the DSC modelling are consistent with the experimental results, so, the DSC equation is suited for predicting the resilient modulus of CRB specimen. However, the model and the equation coming from the test results are conducted in accordance with the Austroads standard, so further investigation and validation with respect to the field behaviours of pavement structure should be performed.

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      Hydrated cement treated crushed rock base (HCTCRB) is generally used as base course material for road pavement in Western Australia. Most of road pavement in Western Australia is normally designed using thin asphaltic ...
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