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    Effects of soil spatial variability on axisymmetric versus plane strain analyses of ground improvement by prefabricated vertical drains

    183425_183425.pdf (461.3Kb)
    Access Status
    Open access
    Authors
    Bari, Wasiul
    Shahin, Mohamed
    Nikraz, Hamid
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Bari, Md. Wasiul and Shahin, Mohamed A. and Nikraz, Hamid R. 2012. Effects of soil spatial variability on axisymmetric versus plane strain analyses of ground improvement by prefabricated vertical drains. International Journal of Geotechnical Engineering. 6 (2): pp. 139-147.
    Source Title
    International Journal of Geotechnical Engineering
    DOI
    10.3328/IJGE.2012.06.02.139-147
    ISSN
    1938-6362
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/8301
    Collection
    • Curtin Research Publications
    Abstract

    Although soil consolidation around an individual drain is more appropriately analyzed as an axisymmetric problem, most previous numerical studies regarding soil consolidation via prefabricated vertical drains were conducted on the basis of plane strain conditions so as to achieve run-time efficiency. Under deterministic conditions, it was found in the literature that the matching theories give satisfactory equivalence between plane strain and axisymmetric analyses. Nevertheless, the matching theories have never been examined for the more realistic stochastic soil consolidation approaches and this study aims to investigate such an issue. In this paper, a stochastic approach using the Monte Carlo technique is utilized considering soil permeability as the most significant random field and the equivalence between the axisymmetric and plane strain analyses are examined.

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      Natural soils are one of the most inherently variables in the ground. Although the significance of inherent soil variability in relation to reliable predictions of consolidation rates of soil deposits has long been realized, ...
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