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    Generalized Winkler support properties for far field modeling of laterally vibrating piles

    Access Status
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    Authors
    Bahrami, Amir
    Nikraz, Hamid
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Bahrami, A. and Nikraz, H. 2017. Generalized Winkler support properties for far field modeling of laterally vibrating piles. Soil Dynamics and Earthquake Engineering. 92: pp. 684-691.
    Source Title
    Soil Dynamics and Earthquake Engineering
    DOI
    10.1016/j.soildyn.2016.09.017
    ISSN
    0267-7261
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/51965
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents a closed from solution to the governing elastodynamic equations of an infinitely long pile in homogeneous, elastic, semi-infinite half space soil. Furthermore the effects of shear stresses acting at soil-pile interface and axial force in the pile are also included in the analysis. The solution leads to an equivalent beam on generalized Winkler support model. This model is comprised of linear springs, masses and dampers. Values of stiffness, mass and damping are formulated for low and high frequency regimes. Static stiffness of the soil springs which is considered as zero frequency limit, showed good agreement with previously published values. Damping value are compared with previously published values with relatively good agreement. Possible applications of the theory for far field modeling of the soil is discussed.

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