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    • University of Missouri-Columbia
    • Graduate School - MU Theses and Dissertations (MU)
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    • 2008 Dissertations (MU)
    • 2008 MU dissertations - Access restricted to MU
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    Numerical analysis of pile group within moving soils

    Li, Peng, 1974-
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    [PDF] public.pdf (2.032Kb)
    [PDF] short.pdf (19.39Kb)
    [PDF] research.pdf (1.170Mb)
    Date
    2008
    Format
    Thesis
    Metadata
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    Abstract
    [ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] A coupled soil-pile interaction analysis method for pile groups within moving soil is proposed and implemented in a new computer program MU-PILE-GROUP. Results of evaluations described in this dissertation indicate that the response of pile groups subjected to soil movement can be accurately predicted using MU-PILE-GROUP. Results of analyses presented also show that modifications to commonly used p-y and t-z models (p-multipliers, y-multipliers and t-multiplier) are required to produce close matches between the predicted response from MU-PILE-GROUP and measured response from a series of large-scale laboratory tests. The relationship between these multipliers and spacing ratio and pile batter angle were investigated to improve understanding of soil-pile interaction and to provide recommendations for use of MU-PILE-GROUP. A range of p-multipliers varying from 0.15 to 1.8 and a range of y-multipliers varying from 0.33 to 1 are required for the Reese sand model to produce close matches with measured lateral performance. p-multipliers required to match measured performance decrease with increasing pile spacing perpendicular to the direction of soil movement. y-multipliers required to match measured performance increase with increasing spacing perpendicular to the direction of soil movement. p-multipliers required to match measured performance also increase with increasing pile batter angle. The predicted axial performance reasonably matches the measured axial response for most upslope piles.
    URI
    https://hdl.handle.net/10355/6691
    https://doi.org/10.32469/10355/6691
    Degree
    Ph. D.
    Thesis Department
    Civil engineering (MU)
    Rights
    Access is limited to the campus of the University of Missouri--Columbia.
    Collections
    • 2008 MU dissertations - Access restricted to MU
    • Civil and Environmental Engineering electronic theses and dissertations (MU)

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