Influence of Spatial Variability of Shear Strength Parameters on 3D Slope Reliability and Comparison of Analysis Methods

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Abstract

A 3D slope stability problem with spatially varying shear strength parameters has been analysed using the 3D random finite element method. This method links random fields of the random variables, in this case, cohesion and friction angle, with the finite element method within a Monte Carlo framework. The influence of spatial variability on calculated factors of safety and failure consequence has been investigated, and the results compared with a simpler 3D solution proposed by Vanmarcke. The simpler approach predicted a lower probability of failure under certain conditions, although, at high levels of anisotropy of the heterogeneity, the solutions converged. The reasons for the different solutions have been evaluated
Original languageEnglish
Title of host publication6th international symposium on geotechnical safety and risk
Subtitle of host publicationGeo-Risk 2017
Pages400-409
Number of pages10
Publication statusPublished - 1 Jun 2017
Event6th international symposium on geotechnical safety and risk - Denver, United States
Duration: 4 Jun 20177 Jun 2017
Conference number: 6
http://www.georiskconference.org/

Conference

Conference6th international symposium on geotechnical safety and risk
Abbreviated titleGeo-Risk 2017
CountryUnited States
CityDenver
Period4/06/177/06/17
Internet address

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