On determining the undrained bearing capacity coefficients of variation for foundations embedded on spatially variable soil

  • Chwała Marcin
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Publication date
June 2020
Publisher
Walter de Gruyter GmbH
Journal
Studia Geotechnica et Mechanica

Abstract

This paper presents an efficient method and its usage for the three-dimensional random bearing capacity evaluation for square and rectangular footings. One of the objectives of the study is to deliver graphs that can be used to easily estimate the approximated values of coefficients of variations of undrained bearing capacity. The numerical calculations were based on the proposed method that connects three-dimensional failure mechanism, simulated annealing optimization scheme and spatial averaging. The random field is used for describing the spatial variability of undrained shear strength. The proposed approach is in accordance with a constant covariance matrix concept, that results in a highly efficient tool for estimating the probabilisti...

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