Journal
COMPUTERS AND GEOTECHNICS
Volume 37, Issue 7-8, Pages 837-845Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2010.03.010
Keywords
Landslides; Slopes; Failure; Slope stabilization; Design; Clays
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Funding
- Education and Research Department of the Castilla-La Mancha Regional Government
- European Social Fund
- Spanish Ministry of Science and Technology [BIA2005-07802-C02-01]
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This article discusses how sensitivity analysis is a sound assessment tool for selecting the most efficient stabilization method of slopes at failure. A discretized form of the variational approach is used not only for performing sensitivity analysis but to locate the critical slip surface, i.e., the sensitivity analysis is carried out in the same way as it is done in optimization problems. This method supplies a robust formulation and methodology for obtaining the sensitivities of the safety factor with respect to both the soil parameters and the slope profile, stating the slope stabilization design as a relatively simple minimization problem. Two well known examples, as the Selset landslide and the Sudbury Hill slip are used to illustrate the application of the method and to highlight both its capabilities and limitations. (C) 2010 Elsevier Ltd. All rights reserved.
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