In the framework of the Work Package WP2 of the 2017-18 Reluis project, focused on “Slope stability”, the research group of Messina University proposed an analytical two-wedge methodology to evaluate the co-seismic performance of soil or rock slopes characterized by a sliding failure mechanism. The analysis accounts for the presence of a single internal joint and for the kinematic compatibility of the displacements of the two wedges which occurs along different segments of a two-planar sliding surface. A closed form solution, including the effect of the vertical component of ground motion, is provided for the evaluation of the slope yield acceleration coefficient ky and for the displacement factor S which characterizes the equation of motion of the slope. The results of a parametric analysis are presented and discussed in the paper together with some useful charts providing ky and S as a function of some non-dimensional geometrical and mechanical parameters.

A two-wedge approach for the evaluation of seismic-induced rock-slides

G. Di Filippo
Primo
;
V. Bandini;G. Biondi
Penultimo
;
E. Cascone
Ultimo
2019-01-01

Abstract

In the framework of the Work Package WP2 of the 2017-18 Reluis project, focused on “Slope stability”, the research group of Messina University proposed an analytical two-wedge methodology to evaluate the co-seismic performance of soil or rock slopes characterized by a sliding failure mechanism. The analysis accounts for the presence of a single internal joint and for the kinematic compatibility of the displacements of the two wedges which occurs along different segments of a two-planar sliding surface. A closed form solution, including the effect of the vertical component of ground motion, is provided for the evaluation of the slope yield acceleration coefficient ky and for the displacement factor S which characterizes the equation of motion of the slope. The results of a parametric analysis are presented and discussed in the paper together with some useful charts providing ky and S as a function of some non-dimensional geometrical and mechanical parameters.
2019
978-0-367-14328-2
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/3142190
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