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    Reliability-based semi-analytical solution for ground improvement by PVDs incorporating inherent (spatial) variability of soil

    227676_227673.pdf (1.100Mb)
    Access Status
    Open access
    Authors
    Bari, Md. Wasiul
    Shahin, Mohamed
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Bari, M.W. and Shahin, M. 2015. Reliability-based semi-analytical solution for ground improvement by PVDs incorporating inherent (spatial) variability of soil. Computers and Geotechnics. 67: pp. 121-134.
    Source Title
    Computers and Geotechnics
    DOI
    10.1016/j.compgeo.2015.03.003
    ISSN
    0266-352X
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/21637
    Collection
    • Curtin Research Publications
    Abstract

    The design of soil consolidation via prefabricated vertical drains (PVDs) has been traditionally carried out deterministically and thus can be misleading due to the ignorance of the uncertainty associated with the inherent (spatial) variation of soil properties. To treat such uncertainty in the design process of soil consolidation by PVDs, stochastic approaches that combine the finite element method with the Monte Carlo technique (FEMC) have been usually used. However, such approaches are complex, computationally intensive and time consuming. In this paper, a simpler reliability-based semi-analytical (RBSA) method is proposed as an alternative tool to the complex FEMC approach for soil consolidation by PVDs, considering soil spatial variability. The RBSA method is found to give similar results to those obtained from the FEMC approach and can thus be used with confidence in practice.

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