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    Application experimental approach to hydration of geosynthetic clay liners by silty sand subsoil under isothermal conditions

    Access Status
    Fulltext not available
    Authors
    Chegenizadeh, Amin
    Nikraz, Hamid
    Date
    2013
    Type
    Journal Article
    
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    Citation
    Chegenizadeh, A. and Nikraz, H. 2013. Application experimental approach to hydration of geosynthetic clay liners by silty sand subsoil under isothermal conditions. Advanced Science Letters. 19 (12): pp. 3464-3467.
    Source Title
    Advanced Science Letters
    DOI
    10.1166/asl.2013.5239
    ISSN
    1936-6612
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/18003
    Collection
    • Curtin Research Publications
    Abstract

    The field performance of Geosynthetic Clay Liners (GCLs) is a topic that is general in scope yet one that deserves discussion, given the scrutiny that these materials have come under during the last decade. In this study, the effect of subsoil moisture on the hydration process of landfill systems was thoroughly investigated. The research focused on the effects of isothermal conditions on the hydration process occurring underneath GCLs. Three GCLs were used in this study. Affecting factors (i.e., subsoil moisture, thermal condition, GCLs types) were examined in this research and the relevant results were presented. The GCLs overlaying 7% soil moisture content only reached a moisture content of 20-30%, providing a very low degree of saturation. In contrast, when the GCLs were overlaying the silty sand at 15% initial moisture content (i.e., close to field capacity) the overall GCL moisture contents reached 90%-160%.

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