Study on the Effect of Anisotropy in Rocks on Stress Redistribution Using Numerical Modelling

Authors: Mitra, R; Murphy, MM; Westman, EC

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DOI https://doi.org/10.36487/ACG_repo/711_3

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Mitra, R, Murphy, MM & Westman, EC 2007, 'Study on the Effect of Anisotropy in Rocks on Stress Redistribution Using Numerical Modelling', in Y Potvin (ed.), Deep Mining 2007: Proceedings of the Fourth International Seminar on Deep and High Stress Mining, Australian Centre for Geomechanics, Perth, pp. 43-49, https://doi.org/10.36487/ACG_repo/711_3

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Abstract:
The majority of the studies to understand the complex problem of stress redistribution in rocks have considered rock as an isotropic material. However, rock in nature is never isotropic. Rocks need to be considered as an anisotropic material to get more accurate information about stress redistribution. Earlier analytical and numerical modelling studies were conducted to study the effect of peak stress on bedding planes. In addition to this effect, the current study discusses the effect of rock anisotropy on the stress redistribution. The modelling was done using the numerical code, Particle Flow Code in 3-Dimensions (PFC3D). The results matched with both analytic and numerical modelling studies.

References:
Amadei, B. (1996) Importance of Anisotropy when estimating and measuring In Situ Stresses in Rock. International
Journal of Rock Mechanics, Mineral Science and Geomechanics Abstract, 33, 3, pp. 293-325.
Barla, G. (1974) Rock Anisotropy: Theory & Laboratory Testing. In Courses & Lectures (International Center for
Mechanical Sciences), ISSN: 0254-1971, 165, pp. 131-169.
Cundall, P.A. (1971) A computer model for simulating progressive large scale movements in blocky rock systems.
Proceedings Symposium of the International Society of Rock Mechanics. Nancy, Francs, 1971, 1, Paper
No. II-8.
Cundall, P.A. and Strack, O.D.L. (1979) A discrete numerical model for granular assemblies. Geotechnique. 29, 1,
pp. 47-65.
Hazzard, J.F. (1998) Numerical modeling of acoustic emissions and dynamic rock. PhD, Department of Earth Sciences,
Keele University.
Hazzard, J.F. and Young, R.P. (2002) 3D numerical modeling of Acoustic Emissions. Proceedings 5th International
Workshop on the Application of Geophysics in Rock Engineering, Toronto, Canada, 7 July 2002, C.S. Desai
et al. (ed) pp. 40-47. Rotterdam, Balkema.
Itasca Consulting Group, Inc. (2003) Particle Flow Code 3D, Minneapolis, Minnesota, MN.
Kulatilake, P.H.S.W., Malama, B. and Wang, J. (2001) Physical and particle flow modeling of jointed rock block
behavior under uniaxial loading. International Journal of Rock Mechanics and Mining Sciences, 38,
pp. 641-657.
Tonon, F. and Amadei, B. (2003) Stresses in anisotropic rock masses: an engineering perspective building on geological
knowledge. International Journal of Rock Mechanics and Mining Sciences, Vol. 40, pp. 1099-1120.
Wanne, T. (2003) PFC3D simulation procedure for compressive strength testing of anisotropic hard rock. Proceedings
1st International PFC Symposium, Germany, Numerical Modeling in Micromechanics via Particle Methods,
6-8 November, 2002, Heinz Konietzky (editor), Rotterdam, Balkema.
Numerical Modelling
Deep Mining 07, Perth, Australia 49




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