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Probabilistic analysis of simple slopes with cohesive soil strength using RLEM and RFEM

Javankhoshdel, Sina / Luo, Ning / Bathurst, Richard J.

The 2D random finite element method and the one-dimensional and 2D random limit equilibrium method are used to investigate the influence of spatial variability of soil strength parameters on the probability of failure of simple soil slopes with cohesive undrained shear strength. The combined influence of spatial variability of soil properties and cross-correlation between undrained soil strength and unit weight on the computed probability of failure is explored. The paper identifies conditions where numerical outcomes are similar and where they are not. The limitations of each analysis method are described and implications to analysis and design are identified.

Abbreviations: FEM: finite element method; LEM: limit equilibrium method; RFEM: random finite element method; RLEM: random limit equilibrium method

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Probabilistic analysis of simple slopes with cohesive soil strength using RLEM and RFEM

Javankhoshdel, Sina / Luo, Ning / Bathurst, Richard J.

The 2D random finite element method and the one-dimensional and 2D random limit equilibrium method are used to investigate the influence of spatial variability of soil strength parameters on the probability of failure of simple soil slopes with cohesive undrained shear strength. The combined influence of spatial variability of soil properties and cross-correlation between undrained soil strength and unit weight on the computed probability of failure is explored. The paper identifies conditions where numerical outcomes are similar and where they are not. The limitations of each analysis method are described and implications to analysis and design are identified.

Abbreviations: FEM: finite element method; LEM: limit equilibrium method; RFEM: random finite element method; RLEM: random limit equilibrium method

Probabilistic analysis of simple slopes with cohesive soil strength using RLEM and RFEM

Javankhoshdel, Sina / Luo, Ning / Bathurst, Richard J.

The 2D random finite element method and the one-dimensional and 2D random limit equilibrium method are used to investigate the influence of spatial variability of soil strength parameters on the probability of failure of simple soil slopes with cohesive undrained shear strength. The combined influence of spatial variability of soil properties and cross-correlation between undrained soil strength and unit weight on the computed probability of failure is explored. The paper identifies conditions where numerical outcomes are similar and where they are not. The limitations of each analysis method are described and implications to analysis and design are identified.

Abbreviations: FEM: finite element method; LEM: limit equilibrium method; RFEM: random finite element method; RLEM: random limit equilibrium method

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Title:

Probabilistic analysis of simple slopes with cohesive soil strength using RLEM and RFEM

Contributors:

Javankhoshdel, Sina (author) / Luo, Ning (author) / Bathurst, Richard J. (author)

Published in:

Georisk: Assessment and Management of Risk for Engineered Systems and Geohazards ; 11 ; 231-246

Publication date:

2017-07-03

Size:

16 pages

ISSN:

1749-9518 , 1749-9526

DOI:

https://doi.org/10.1080/17499518.2016.1235712

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Probabilistic modelling , spatial variability , random finite element method , random limit equilibrium method

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