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  • Development of Predictive Model for Cement Stabilized Roadbase

    Author(s)
    Chai, Gary
    Oh, Erwin
    Smith, Warren
    Griffith University Author(s)
    Oh, Erwin
    Chai, Gary K.
    Year published
    2005
    Metadata
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    Abstract
    Cement stabilisation is a common method for stabilising recycled road base material and provides a longer pavement life. With cement effect, the increment of stiffness in the stabilized layer would provide better load transfer to the pavement foundation. The recycling method provides an environmentally option as the existing road base materials will not be removed. This paper presents a case study of a trial section along the North-South Expressway in West Malaysia, where the Falling Weight Deflectometer (FWD) was implemented to evaluate the compressive strength and in-situ stiffness of the cement stabilized road base material. ...
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    Cement stabilisation is a common method for stabilising recycled road base material and provides a longer pavement life. With cement effect, the increment of stiffness in the stabilized layer would provide better load transfer to the pavement foundation. The recycling method provides an environmentally option as the existing road base materials will not be removed. This paper presents a case study of a trial section along the North-South Expressway in West Malaysia, where the Falling Weight Deflectometer (FWD) was implemented to evaluate the compressive strength and in-situ stiffness of the cement stabilized road base material. The improvement in stiffness of the cement stabilized base layer was monitored, and samples were tested during the trial. FWD was found to be useful for the structural assessment of the cement-stabilized base layer prior to placement of asphalt layers. Results from the FWD were applied to verify the assumed design parameters for the pavement. Using the FWD, an empirical correlation between the deflection and the stiffness modulus of the pavement foundation is proposed.
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    Conference Title
    Proceedings Volume I The 5th International Conference on Road and Airfield Pavement Technology and Exhibition on Road and Airfield Construction and Management
    Publication URI
    http://hdl.handle.net/10072/2702
    Collection
    • Conference outputs

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