Design charts for the stability analysis of unsaturated soil slopes

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Title: Design charts for the stability analysis of unsaturated soil slopes
Authors: Gavin, Kenneth
Xue, Jianfeng
Permanent link: http://hdl.handle.net/10197/3101
Date: Jan-2010
Abstract: Simple limit equilibrium analyses can be performed to determine the Factor of Safety (FOS) against slope failure of unsaturated soil slopes. However, many of the input parameters needed for these analyses are highly variable, and the FOS value obtained is critically dependent on assumptions made by the designer. This paper describes a suite of reliability analyses on unsaturated soil slopes performed using an invariant reliability model. The results are presented in design charts from which a designer can choose the FOS value required to ensure a given target reliability index for a slope. The approach ensures that despite the variability of input parameters the slope will have a probability of failure of 2.23% or less.
Funding Details: Other funder
Type of material: Journal Article
Publisher: Springer
Copyright (published version): Springer Science+Business Media B.V. 2009
Keywords: Slope stability;Reliability analyses;Design charts
Subject LCSH: Slopes (Soil mechanics)--Stability
Reliability (Engineering)
Safety factor in engineering
DOI: 10.1007/s10706-009-9282-z
Language: en
Status of Item: Peer reviewed
Appears in Collections:Urban Institute Ireland Research Collection
Critical Infrastructure Group Research Collection
Civil Engineering Research Collection

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