Kinematic element method for slope stability
Dieter Stolle, Peijun Guo, Adnan Kader
In the proceedings of: GeoVirtual 2020: 73rd Canadian Geotechnical ConferenceABSTRACT: Various approaches have been developed for analysing slope stability, including the well-known Fellenius and Bishop’s simplified procedures, as well as the more rigorous procedures due to Spencer and Morgenstern & Price. Gussmann (1982) introduced the kinematic element method (KEM) that is based on non-associated plasticity that easily accommodates non-circular failure surfaces. It rigorously accounts for the kinematics and statics of failure to provide an upper bound solution. This paper presents a simplified version of the KEM and proposes an extension to visco-plasticity that is intended to allow the accommodation of force redistribution due to creep. Examples are given to compare the KEM solutions to those provided by the traditional slope stability strategies.
RÉSUMÉ: Diverses approches ont été développées pour analyser la stabilité des pentes, y compris les procédures simplifiées bien connues de Fellenius et Bishop, ainsi que les procédures plus rigoureuses dues à Spencer et Morgenstern & Price. Gussmann (1982) a introduit la méthode des éléments cinématiques (KEM) basée sur une plasticité non associée qui s'adapte facilement aux surfaces de rupture non circulaires. Cette méthode tient rigoureusement compte de la cinématique et de la statique de l'échec à fournir une solution de limite supérieure. Cet article présente une version simplifiée du KEM et propose une extension à la visco-plasticité qui est destinée à permettre l'accommodation de la redistribution des forces dues au fluage. Des exemples sont donnés pour comparer les solutions KEM à celles fournies par les stratégies traditionnelles de stabilité des pentes.
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Stolle, Dieter, Guo, Peijun, Kader, Adnan (2020) Kinematic element method for slope stability in GEO2020. Ottawa, Ontario: Canadian Geotechnical Society.
@article{Stolle_GEO2020_379,
author = {Stolle, Dieter}, {Guo, Peijun}, {Kader, Adnan},
title = Kinematic element method for slope stability ,
year = 2020
}
title = Kinematic element method for slope stability ,
year = 2020
}