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    The treatment of a loose submerged subgrade using dynamic compaction

    168837_168837.pdf (543.5Kb)
    Access Status
    Open access
    Authors
    Hamidi, Babak
    Nikraz, Hamid
    Varaksin, S.
    Date
    2011
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Hamidi, Babak and Nikraz, Hamid and Varaksin, Serge. 2011. The treatment of a loose submerged subgrade using dynamic compaction. International Journal of Pavement Research and Technology. 4 (2): pp. 124-130.
    Source Title
    International Journal of Pavement Research and Technology
    Additional URLs
    http://www.ijprt.org.tw/files/sample/V4N2_124-130.pdf
    ISSN
    19966814
    School
    Department of Civil Engineering
    Remarks

    Copyright © 2011 Chinese Society of Pavement Engineering.

    URI
    http://hdl.handle.net/20.500.11937/37496
    Collection
    • Curtin Research Publications
    Abstract

    It is not unforeseeable to have pavements that have lost functionality and drivability due to excessive total, differential or creep settlements; liquefaction; or local shear failures of the subgrade layer. If the subgrade material does not have the necessary strength, it may be mandatory to carry out a ground treatment program to improve the ground conditions and to allow the safe construction of the subsequent layers. The causeway of Abu Dhabi to Reem Island has been constructed by reclaiming the approach road on the two sides of the bridge from the sea. The 8-m thick reclamation was performed by dumping sand into the sea. Geotechnical tests indicated that the reclaimed material did not meet the design requirements for constructing the bridge's approach roads and the foundations of the mechanically stabilized earth (MSE) walls. Dynamic Compaction was carried out to improve the ground conditions of the reclamation. Upon completion of soil improvement, pressuremeter tests were performed to verify the results. The test results demonstrated that the design and acceptance criteria were achieved.

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