Turner, MH & Green, T 2007, 'Inflatable Rockbolts at Otter-Juan Mine, Kambalda', 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. 313-323, https://doi.org/10.36487/ACG_repo/711_23
The Otter-Juan Mine in Kambalda, Western Australia is over 1350 m deep, with very high stresses and a
weak ultramafic hangingwall. Support systems in the ore drives have to cope with severe deformations and
seismicity. By mid-2005 the 2-pass support system of split sets and mesh followed by threadbars was
becoming difficult to manage due to failure of split sets before the threadbars could be installed. Trials using
inflatable rockbolts commenced in August 2005. The trials proved successful and the bolts were introduced
as standard ore drive support in June 2006. The trials took far longer than expected due to supply delays
and the necessary modifications to equipment required to ensure reliable installation.
AMC (1998) Otter-Juan Nickel Complex, 31 Level Virgin Stress Measurement. Australian Mining Consultants report
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Kambalda, WA. 12th International Symposium on Mine Planning and Equipment Selection, Kalgoorlie, Western
Australia, April 23-25, 2003.
Gresham, J.J. and Loftus-Hills, G.D. (1981) The Geology of the Kambalda Nickel Field, Western Australia. Economic
Geology, Vol. 76, pp. 1373-1416.
ISS (2006) Glossary of terms used in Routine Mine Seismology, ISS International document number REP-GLOS-
Turner, M. and Green T. (2005) Threadbar Bolts in a Seismically Active, High Stress, High Yield Environment - Otter-
Juan Mine, Kambalda. Proceedings 6th International Symposium on Rockburst and Seismicity in Mines. Potvin
Y. and Hudyma M. (eds), Australian Centre for Geomechanics, Perth, March, pp. 67-73.
Turner, M., Teasdale, P. and Green, T. (2004) A Step back in time to Hand-Held Mining for Profitability. 2nd
International Symposium on Mining Techniques Of Narrow-Vein Deposits, CIM, Val d’Or, October.
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