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A Numerical Study on Wave Transmission Across Multiple Intersecting Joint Sets in Rock Masses with UDEC

Zhu, J. B. and Deng, X. F. and Zhao, X. B. and Zhao, J. (2013) A Numerical Study on Wave Transmission Across Multiple Intersecting Joint Sets in Rock Masses with UDEC. Rock Mechanics and Rock Engineering, 46 (6). pp. 1429-1442. ISSN 0723-2632.

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This paper presents a numerical study on wave transmission across jointed rock masses with UDEC, where multiple intersecting joint sets exist. The capability of UDEC of studying wave transmission across rock joints is validated through comparison with analytical solutions and experimental data. Through parametric studies on wave transmission across jointed rock masses, it is found that joint mechanical and spatial parameters including joint normal and shear stiffnesses, nondimensional joint spacing, joint spacing ratio, joint intersecting angle, incident angle, and number of joint sets together determine the wave transmission. And for P wave incidence, compared with other parameters, joint normal stiffness, nondimensional joint spacing, and joint intersecting angle have more significant effects on wave transmission. The physical reasons lying behind those phenomena are explained in detail. Engineering applications and indications of the modeling results are also mentioned.

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Additional Information:© 2012 Springer-Verlag Wien. Received: 23 March 2012; Accepted: 8 December 2012; Published online: 19 December 2012. We would like to acknowledge the two anonymous reviewers and the Editor, Professor Giovanni Barla, for their constructive comments. Dr. Yingxin Zhou is acknowledged for the sharing of field measured data. This research is financially supported by the Swiss National Science Foundation (200021-116536) and National Natural Science Foundation of China (40702046).
Funding AgencyGrant Number
Swiss National Science Foundation200021-116536
National Natural Science Foundation of China40702046
Subject Keywords:UDEC; Wave transmission; Multiple intersecting joint sets; Parametric study
Issue or Number:6
Record Number:CaltechAUTHORS:20131111-101131377
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Official Citation:Zhu, J.B., Deng, X.F., Zhao, X.B. et al. Rock Mech Rock Eng (2013) 46: 1429. doi:10.1007/s00603-012-0352-9
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:42352
Deposited By: Jason Perez
Deposited On:11 Nov 2013 19:59
Last Modified:03 Oct 2019 05:57

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