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Influence of Spatially Random Soil Stiffness on Foundation Settlements

by Geoffrey M. Paice, Univ of Machester, Manchester, United Kingdom,
D. V. Griffiths, (M.ASCE), Univ of Machester, Manchester, United Kingdom,
Gordon A. Fenton, (M.ASCE), Univ of Machester, Manchester, United Kingdom,



Document Type: Proceeding Paper

Part of: Vertical and Horizontal Deformations of Foundations and Embankments

Abstract:

The effect of stochastic soil stiffness on the total settlement under the corner of a uniformly loaded flexible strip footing has been studied. The generated Young's modulus random fields with constant Poisson's ratio have been combined with finite element analyses to perform a Monte Carlo statistical analysis of the settlement response. The results of parametric studies to investigate the effect of the standard deviation, correlation structure and geometry on the statistics of the settlement are presented for different values of Poisson's ratio.

Subject Headings: Soil settlement | Finite element method | Foundation settlement | Stochastic processes | Stiffening | Structural settlement | Poisson ratio

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