The natural formation of rock slopes can result in the initiation of complex failure processes, including the deformation and fracturing of intact rock and the displacement of large individual blocks. The presence of non-persistent discontinuities may also promote stress concentrations that would result in stress induced fractures leading to the formation of continuous failure surfaces, thus creating the condition of kinematic freedom for previously finite and tapered blocks that may result in slope failure. This type of mechanism cannot be analyzed using a limit equilibrium approach and requires models capable of considering rock mass plastic yield, simulation of shear/tensile fracturing and ability to consider kinematic processes. In this context, hybrid finite-discrete element methods (FDEM) provide an attractive option for modelling rock slope failure mechanisms.
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A FEM-DEM Numerical Analysis to Study the Instability of the Passo Della Morte Slopes (Carnian Alps, Italy)
G. Marcato;
G. Marcato
Istituto di Ricerca per la Protezione Idrogeologica
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Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, Seattle, Washington, June 2018.
Paper Number:
ARMA-2018-755
Published:
June 17 2018
Citation
Elmo, D., Marcato, G., Borgatti, L., and D. Stead. "A FEM-DEM Numerical Analysis to Study the Instability of the Passo Della Morte Slopes (Carnian Alps, Italy)." Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, Seattle, Washington, June 2018.
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