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Rockfall Impact Parameters on Embankments: A Discrete Element Method Analysis


Médium: article de revue
Langue(s): en 
Publié dans: Structural Engineering International, , n. 3, v. 19
Page(s): 333-341
DOI: 10.2749/101686609788957874

The design of protection structures remains a difficult task for high-energy impact, and official regulations do not exist yet. In order to contribute to developing the efficiency of embankments subjected to rockfall impacts, a numerical approach based on the discrete element method (DEM) is proposed to study the impact process. Particular attention is given to the modeling of soil, in quasi-static configurations as well as in impact loading cases. From a reference configuration of an impacted embankment, a parametric study was carried out to investigate the role of the impacting block parameters on the response of the structure. Depending on the major impact parameters' values, suggestions have been made to help in designing protective embankments.

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