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Reliability bearing capacity analysis of footings on cohesive soil slopes using RFEM
AbstractReliability analysis of bearing capacity of a strip footing at the crest of a simple slope with cohesive soil was carried out using the random finite element method (RFEM). Analyses showed that the coefficient of variation and the spatial correlation length of soil cohesion can have a large influence on footing bearing capacity, particularly for slopes with large height to footing width ratios. The paper demonstrates cases where a footing satisfies a deterministic design factor of safety of 3 but the probability of design failure is unacceptably high. Isotropic and anisotropic spatial variability of the soil strength was also considered.
Reliability bearing capacity analysis of footings on cohesive soil slopes using RFEM
AbstractReliability analysis of bearing capacity of a strip footing at the crest of a simple slope with cohesive soil was carried out using the random finite element method (RFEM). Analyses showed that the coefficient of variation and the spatial correlation length of soil cohesion can have a large influence on footing bearing capacity, particularly for slopes with large height to footing width ratios. The paper demonstrates cases where a footing satisfies a deterministic design factor of safety of 3 but the probability of design failure is unacceptably high. Isotropic and anisotropic spatial variability of the soil strength was also considered.
Reliability bearing capacity analysis of footings on cohesive soil slopes using RFEM
Luo, Ning (author) / Bathurst, Richard J. (author)
Computers and Geotechnics ; 89 ; 203-212
2017-04-26
10 pages
Article (Journal)
Electronic Resource
English
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