Abstract
The Distinct Element code UDEC was used to simulate the displacements and failure of a physical modelling of toppling performed by the ISMES Laboratories (Bergamo, Italy). The model consisted of an arrangement of blocks of artificial material which toppled when its base was tilted. The model geometry, block interfaces, material properties and dynamic loading sequence influence the numerical results. The friction angle, rotation velocity and the sharpness of block corners, which are the principal factors governing the model response, have been investigated. The study is a valuable validation test of the Distinct Element Method against experimental results.
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