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Response of Vertically Loaded Pile in Clay: A Probabilistic Study

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Abstract

This study presents the response of a vertically loaded pile in undrained clay considering spatially distributed undrained shear strength. The probabilistic study is performed considering undrained shear strength as random variable and the analysis is conducted using random field theory. The inherent soil variability is considered as source of variability and the field is modeled as two dimensional non-Gaussian homogeneous random field. Random field is simulated using Cholesky decomposition technique within the finite difference program and Monte Carlo simulation approach is considered for the probabilistic analysis. The influence of variance and spatial correlation of undrained shear strength on the ultimate capacity as summation of ultimate skin friction and end bearing resistance of pile are examined. It is observed that the coefficient of variation and spatial correlation distance are the most important parameters that affect the pile ultimate capacity.

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Acknowledgments

The authors thank the reviewers for their critical comments which have been very useful in improving the work presented in this paper.

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Authors and Affiliations

  1. School of Infrastructure, Indian Institute of Technology Bhubaneswar, Bhubaneswar, 751013, India

    Sumanta Haldar

  2. Department of Civil Engineering, Geotechnical Engineering Division, Indian Institute of Science, Bangalore, 560012, India

    G. L. Sivakumar Babu

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  1. Sumanta Haldar
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  2. G. L. Sivakumar Babu
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Correspondence to G. L. Sivakumar Babu.

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Haldar, S., Babu, G.L.S. Response of Vertically Loaded Pile in Clay: A Probabilistic Study. Geotech Geol Eng 30, 187–196 (2012). https://doi.org/10.1007/s10706-011-9461-6

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  • DOI: https://doi.org/10.1007/s10706-011-9461-6

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