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  • Laterally loaded rigid piles in cohesionless soil

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    Author(s)
    Guo, Wei Dong
    Griffith University Author(s)
    Guo, Wei Dong D.
    Year published
    2008
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    Abstract
    In this paper, limiting force profile for laterally loaded rigid piles in sand is differentiated from on-pile force profile, from which elastic-plastic solutions are established and presented in explicit expressions. Nonlinear responses of the piles are characterised by slip depths mobilised from mudline and the pile-tip. At the states of tip-yield and rotation point yield, expressions for some critical depths are developed, which allow the on-pile force profiles to be constructed. The solutions and the expressions are developed concerning a constant subgrade modulus (k) and a linearly increasing modulus with depth (Gibson ...
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    In this paper, limiting force profile for laterally loaded rigid piles in sand is differentiated from on-pile force profile, from which elastic-plastic solutions are established and presented in explicit expressions. Nonlinear responses of the piles are characterised by slip depths mobilised from mudline and the pile-tip. At the states of tip-yield and rotation point yield, expressions for some critical depths are developed, which allow the on-pile force profiles to be constructed. The solutions and the expressions are developed concerning a constant subgrade modulus (k) and a linearly increasing modulus with depth (Gibson k), respectively. Capitalised on three measurable parameters, the solutions agree well with measured data and numerical predictions. Non-dimensional responses are presented for various eccentricities at the tip-yield state and in some cases at the rotation point yield state. Nonlinear responses are obtained for typical eccentricities from elastic state right up to failure. Comments are made regarding displacement based capacity. A case study is elaborated to illustrate (i) the use of the current solutions; (ii) the impact of the k distributions; (iii) the evaluation of stresses on pile surface; and (iv) the deduction of soil modulus. The current solutions are easy to be implemented and suitable for general design.
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    Journal Title
    Canadian Geotechnical Journal
    Volume
    45
    Issue
    5
    DOI
    https://doi.org/10.1139/T07-110
    Copyright Statement
    © 2008 NRC Research Press. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Civil Geotechnical Engineering
    Civil Engineering
    Environmental Engineering
    Publication URI
    http://hdl.handle.net/10072/22003
    Collection
    • Journal articles

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