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Title: Stability Assessment of Slopes Using Different Factoring Strategies
Authors: Pantelidis, Lysandros 
Griffiths, D.V. 
Pantelidis, Lysandros 
Keywords: Slope stability
Finite element method
Factoring strategies
Finite elements
Safety factor
Safety margin
Shear strength
Issue Date: 2012
Publisher: American Society of Civil Engineers
Source: Journal of Geotechnical and Geoenvironmental Engineering, 2012, Volume 138, Issue 9, Pages 1158-1160
Abstract: Traditional slope stability analysis delivers the factor of safety with respect to shear strength, which is the factor by which tan phi' and c' must be reduced to bring a slope to the point of failure. In the present paper, alternative strategies are considered to include the factors by which destabilizing parameters, such as pore pressures and gravitational loads, must be increased to bring a slope to the point of failure. The approach described gives a more comprehensive insight into the stability of slopes and the sensitivity of failure to different input parameters. Finally, the practical use of the alternative factoring strategies is illustrated through two application examples referring to a slope under different loading combinations ( pore-pressure ratio and horizontal seismic coefficient).
Description: The writers wish to acknowledge the support of NSF Grant No. CMMI-0970122 on GOALI: Probabilistic Geomechanical Analysis in the Exploitation of Unconventional Resources for this research carried out at the Colorado School of Mines. The support of KGHM Cuprum, Wroclaw, Poland through the Framework 7 EU project on Industrial Risk Reduction is also recognized.
ISSN: 1090-0241
DOI: 10.1061/(ASCE)GT.1943-5606.0000678
Rights: ASCE
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