Dynamic Response of Tunnels in Jointed Rocks

by François E. Heuze, Lawrence Livermore Natl Lab, Livermore, United States,
Ronald J. Shaffer, Lawrence Livermore Natl Lab, Livermore, United States,
Otis R. Walton, Lawrence Livermore Natl Lab, Livermore, United States,
Denise M. Maddix, Lawrence Livermore Natl Lab, Livermore, United States,



Abstract: We describe the application of the Discrete Element Method (DEM) to the dynamic analysis of the response of tunnels in jointed rocks to earthquake loading. In situations where large motions of many blocks and collapse occur, the discontinuum-based DEM approach appears superior to other methods of analysis.

Subject Headings: Discrete element method | Dynamic analysis | Tunnels | Rocks | Earthquakes | Seismic loads | Dynamic response

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