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Search for critical slip surface in slope stability analysis by spline-based GA method / Jianping Sun in Journal of geotechnical and geoenvironmental engineering, Vol. 134 N°2 (Fevrier 2008) 

Public ISBD [article]  in Journal of geotechnical and geoenvironmental engineering > Vol. 134 N°2 (Fevrier 2008) . - pp. 252–256 Titre : Search for critical slip surface in slope stability analysis by spline-based GA method Type de document : texte imprimé Auteurs : Jianping Sun, Auteur ; Jiachun Li, Auteur ; Qingquan Liu, Auteur Année de publication : 2008 Article en page(s) : pp. 252–256 Note générale : Geotechnical and geoenvironmental engineering Langues : Anglais (eng) Mots-clés : Slope  stability  Safety  Algorithms  Limit  equilibrium Résumé : The stability of a soil slope is usually analyzed by limit equilibrium methods, in which the identification of the critical slip surface is of principal importance. In this study the spline curve in conjunction with a genetic algorithm is used to search the critical slip surface, and Spencer’s method is employed to calculate the factor of safety. Three examples are presented to illustrate the reliability and efficiency of the method. Slip surfaces defined by a series of straight lines are compared with those defined by spline curves, and the results indicate that use of spline curves renders better results for a given number of slip surface nodal points comparing with the approximation using straight line segments. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%291090-0241%282008%29134%3A2%2825 [...] [article] Search for critical slip surface in slope stability analysis by spline-based GA method [texte imprimé] / Jianping Sun, Auteur ; Jiachun Li, Auteur ; Qingquan Liu, Auteur . - 2008 . - pp. 252–256. Geotechnical and geoenvironmental engineering Langues : Anglais (eng) in Journal of geotechnical and geoenvironmental engineering > Vol. 134 N°2 (Fevrier 2008) . - pp. 252–256 Mots-clés : Slope  stability  Safety  Algorithms  Limit  equilibrium Résumé : The stability of a soil slope is usually analyzed by limit equilibrium methods, in which the identification of the critical slip surface is of principal importance. In this study the spline curve in conjunction with a genetic algorithm is used to search the critical slip surface, and Spencer’s method is employed to calculate the factor of safety. Three examples are presented to illustrate the reliability and efficiency of the method. Slip surfaces defined by a series of straight lines are compared with those defined by spline curves, and the results indicate that use of spline curves renders better results for a given number of slip surface nodal points comparing with the approximation using straight line segments. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%291090-0241%282008%29134%3A2%2825 [...]