Heal, D & Potvin, Y 2007, 'In-Situ Dynamic Testing of Ground Support Using Simulated Rockbursts', in Y Potvin (ed.), Proceedings of the Fourth International Seminar on Deep and High Stress Mining
, Australian Centre for Geomechanics, Perth, pp. 373-394.
The Australian Centre for Geomechanics (ACG) is conducting a number of simulated rockburst experiments
in Western Australian underground mines as part of its Mine Seismicity and Rockburst Risk Management
research project. By simulating rockburst damage using blasting, it is possible to gauge the performance of
complete ground support systems (incorporating rockbolts or cables, surface support and the connections
between them) in-situ when subjected to strong ground motion, as would be generated by a large seismic
event nearby. This paper describes the testing method used and presents the results of simulated rockburst
tests at a number of Western Australian mines on various ground support systems. A dynamic support
classification is shown which compares the dynamic capacity of the ground support systems tested. The test
results are compared to ground support performance observed in actual rockburst case studies.
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Thin Spray-on Liners, Shotcrete and Mesh, Quebec City, Canada, 25th-27th August 2003, Section 20.
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performance. The Journal of The South African Institute of Mining and Metallurgy, August 2001, pp. 247-251.
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support performance under strong dynamic loading. In Y. Potvin and M. Hudyma (eds), RASIM 2005,
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Heal, D. (2007) Observations and analysis of incidences of rockburst damage in underground mines. PhD in progress,
University of Western Australia.
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In-situ Dynamic Testing of Ground Support Using Simulated Rockbursts D. Heal, Y. Potvin
394 Deep Mining 07, Perth, Australia