Local soil failure before general slope failure |
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| Authors: | Gianfranco Urciuoli Luciano Picarelli Serge Leroueil |
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| Institution: | (1) Dipartimento di Ingegneria Geotecnica, University of Naples Federico II, via Claudio 21, Napoli, 80125, Italy;(2) Dipartimento di Ingegneria Civile, Seconda Universitá di Napoli, via Roma, 29, 81031 Aversa, Italy;(3) Department of Civil Engineering, Université Laval, Ste-Foy, QC, C1R7P4, Canada |
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| Abstract: | Slopes are generally characterized by non-uniform stress field. Additional stresses induced by changes in boundary conditions
can emphasize local differences in the stress level. As a consequence, every failure process is, at first, local, with formation
of plastic zones, then general. This is the subject of this paper, which concerns clay slopes, whose failure generally implies
formation of a shear zone. A special consideration is addressed to the simple and special case of infinite slope which is
also featured by transition from local to general failure, even if stress conditions are uniform along the potential failure
plane. |
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| Keywords: | Infinite slope Slope failure Progressive failure Shear zone |
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