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Stability analysis of slopes using the finite element method and limiting equilibrium approach

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Abstract

The limit equilibrium method is commonly used for slope stability analysis, being relatively simple compared with finite element analysis. Both methods were used to analyse homogeneous and inhomogeneous slopes, taking into account the rapid drawdown condition, the undrained clay soils and the presence of tension cracks. The analyses were carried out using PLAXIS 8.0 (finite element method) and SAS-MCT 4.0 (limit equilibrium approach). The safety factor and location of the critical slip surface obtained from the two methods are compared.

Résumé

La méthode de calcul aux équilibres limites est classiquement utilisée pour les analyses de stabilité des pentes, car relativement simple par rapport aux calculs en éléments finis. Les deux méthodes ont été utilisées pour étudier la stabilité de pentes homogènes ou hétérogènes, considérant des situations de vidange rapide, des conditions non drainées pour des sols argileux et la présence de fentes de traction. Les analyses ont été réalisées avec le logiciel PLAXIS 8.0 (méthode des éléments finis) et le logiciel SAS-MCT 4.0 (méthode des équilibres limites). Les facteurs de sécurité et les positions des surfaces de rupture critiques obtenus par les deux méthodes sont comparés.

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Authors and Affiliations

  1. GIS and Remote Sensing, Hashemite University, Zerqa, Jordan

    Nezar Atalla Hammouri

  2. Geotechnical and Dam Engineering, Jordan University of Science and Technology, Irbid, 22110, Jordan

    Abdallah I. Husein Malkawi

  3. Civil-Geotechnical Engineering, The University of Akron, Akron, OH, 44304, USA

    Mohammad M. A. Yamin

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  1. Nezar Atalla Hammouri
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  2. Abdallah I. Husein Malkawi
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  3. Mohammad M. A. Yamin
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Correspondence to Nezar Atalla Hammouri.

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Hammouri, N.A., Malkawi, A.I.H. & Yamin, M.M.A. Stability analysis of slopes using the finite element method and limiting equilibrium approach. Bull Eng Geol Environ 67, 471–478 (2008). https://doi.org/10.1007/s10064-008-0156-z

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  • DOI: https://doi.org/10.1007/s10064-008-0156-z

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