Authors: Jakubec, J

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Jakubec, J 2013, 'Role of defects in rock mass classification', in Y Potvin & B Brady (eds), Proceedings of the Seventh International Symposium on Ground Support in Mining and Underground Construction, Australian Centre for Geomechanics, Perth, pp. 337-344.

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Abstract:
Despite the advancement of the sophisticated numerical modelling techniques used to estimate rock mass strength, rock mass classification still remains as one of the key inputs and fundamental tools for rock mass characterisation, especially in the early stages of project development. A challenge faced by practitioners who use rock mass classification schemes is the appropriate description and incorporation of rock mass defects—especially those outside the category known as ’open joints‘. This paper discusses the author’s experiences with various techniques used to describe and assess such defects.

References:
Brzovic, A. and Villaescusa,E. (2007) Rock mass characterization and assessment of block-forming geological discontinuities during caving of primary copper ore at the El Teniente mine, Chile, International Journal of Rock Mechanics and Mining Sciences, Vol. 44, pp. 565–583.
Jakubec, J. and Esterhuizen, G.S. (2007) Use of the Mining Rock Mass Rating (MRMR) Classification: Industry Experience, in Proceedings International Workshop on Rock Mass Classification in Underground Mining, C. Mark, R. Pakalnis, R.J. Tuchman (eds), Vancouver, Canada, National Institute for Occupational Safety and Health Information Circular (IC) 9498, pp. 413−421.
Jakubec, J., Board, M., Campbell, R., Pierce, M. and Zaro, D. (2012) Rock mass strength estimate—Chuquicamata case study, in Proceedings MassMin 2012, June 10–14, Canadian Institute of Mining, Metallurgy and Petroleum (CIM), Sudbury, Canada, CD-rom only.
Laubscher, D.H. and Jakubec, J. (2001) The MRMR Rock Mass Classification for Jointed Rock Masses, in Underground Mining Methods: Engineering Fundamentals and International Case Studies, W.A. Hustrulid and R.L. Bullock (eds) Society of Mining Metallurgy and Exploration, pp. 475–481.




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