Journal of applied mechanics
Online ISSN : 1884-832X
Print ISSN : 1345-9139
ISSN-L : 1345-9139
Bearing capacity characteristics of cohesive ground using random field numerical limit analyses
Kiyonobu KasamaKouki ZenAndrew J. Whittle
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2008 Volume 11 Pages 291-298

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Abstract
This paper describesa probabilistics tudy of the two dimensional bearing capacity of a vertically loaded strip footing on spatially random, cohesive soil using Random Field Numerical Limit Analyses. The analyses use a Cholesky Decompositiontechnique to represent the spatial variation in undrained shear strength within finite element meshes for both upper and lower bound analyses, assuming an isotropic correlation length. Monte Carlo simulations are then used to interpret the bearing capacity for selected ranges of the coefficient of variation in undrainedshear strength and the ratio of correlation length to footing width.
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© by Japan Society of Civil Engineers
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