Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.soildyn.2008.11.002
Title: Coupled finite element and discrete element method for underground blast in faulted rock masses
Authors: Wang, Z.L.
Konietzky, H.
Shen, R.F. 
Keywords: Coupled method
Fault
Rock failure
Rock masses
Stress wave
Underground blasting
Issue Date: Jun-2009
Source: Wang, Z.L., Konietzky, H., Shen, R.F. (2009-06). Coupled finite element and discrete element method for underground blast in faulted rock masses. Soil Dynamics and Earthquake Engineering 29 (6) : 939-945. ScholarBank@NUS Repository. https://doi.org/10.1016/j.soildyn.2008.11.002
Abstract: This paper focuses on the propagation and dynamic effects of blast waves in faulted rock masses. A coupled method combining UDEC and LS-DYNA is presented whereby the explosion process is simulated by LS-DYNA while the wave propagation and its dynamic effects in rock masses with faults are modeled by UDEC. The blast-induced crack evolution and failure zone distribution in faulted rock masses are explored using the proposed coupled method. The relationship between rock failure and fault parameters such as dip, stiffness and friction are also investigated. The results indicate that the coupled method is feasible and effective for evaluating explosion in discontinuous rock system and the existence of faults exerts significant influence on the pattern of rock masses failure. © 2008 Elsevier Ltd. All rights reserved.
Source Title: Soil Dynamics and Earthquake Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/50684
ISSN: 02677261
DOI: 10.1016/j.soildyn.2008.11.002
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