Managing slope performance in uncertain geological conditions at Meandu Mine, Queensland

Authors: Simmons, JV; Edwards, DC; Ferdinands, N

DOI https://doi.org/10.36487/ACG_rep/1308_32_Simmons

Cite As:
Simmons, JV, Edwards, DC & Ferdinands, N 2013, 'Managing slope performance in uncertain geological conditions at Meandu Mine, Queensland', in PM Dight (ed.), Slope Stability 2013: Proceedings of the 2013 International Symposium on Slope Stability in Open Pit Mining and Civil Engineering, Australian Centre for Geomechanics, Perth, pp. 499-512, https://doi.org/10.36487/ACG_rep/1308_32_Simmons

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Abstract:
The Ground Control Management Plan at the Meandu Mine provides the basis for the approval of slope designs and operational activities in a coal deposit sequence characterised by complex sedimentation, thick seams, faults, an eruptive volcanic cover sequence, and multiple episodes of deep weathering. Rapid lateral and vertical variations in geotechnical conditions imply that the overburden model for mine planning includes significant uncertainties for slope hazard and stability risk assessment. The paper provides a description of the evolution of slope designs and circumstances that have shaped the current approach to short-term design and operational hazard management Long-term slope design considerations also include the groundwater regime and the placement of both coal washery tailings and power station ash slurry in mined-out voids.

References:
Australian Standard AS1726 (1993) Geotechnical Site Investigations, Standards Australia, Sydney.
Cranfield, L.C., Randall, R.E. and Pascoe, G.S. (1999) Kingaroy 1:100,000 Geology Map Sheet, Department of Mines and Energy, Queensland, Australia.
Edwards, D.C. (2013) An Introduction to Meandu Mine Geology, Unpublished Internal Training Document, Downer EDI Mining Pty Ltd, Meandu Mine, Nobby Smith Way, Nanango Queensland, Australia, 4615, 15 p.
Flood, P.G. and Garces, B. Jr. (1995) The Tarong Basin, Queensland: a Late Triassic strike-slip (pull-apart) basin containing alluvial fan and coal-rich fluviatile sediments, C.R. Ward, H.J. Harrington, C.W. Mallett and J.W. Beeston (eds), Geology of Australian Coal Basins, Geological Society of Australia Coal Geology Group Special Publication.
Pegrem, B.J. (1995) Tarong Basin, C.R. Ward, H.J. Harrington, C.W. Mallett and J.W. and Beeston (eds), Geology of Australian Coal Basins, Geological Society of Australia Coal Geology Group Special Publication, Vol. 1, pp. 465– 470.
Queensland Department of Mines and Energy Map (2013), viewed 30 April 2013, .
Rolley, C. and Ferdinands, N. (2012) Meandu Geology, Unpublished presentation for the Bowen Basin Geologist’s Group, Stanwell Corporation, Meandu Mine, Nobby Smith Way, Nanango Queensland, Australia, 4615, 38 p.
Rodriguez, S. (2012) Tarong Coal Project, Meandu Mine, Unpublished presentation for the Bowen Basin Geologist’s Group, Thiess Pty Ltd, Meandu Mine, Nobby Smith Way, Nanango Queensland, Australia, 4615, 20 p.
Simmons, J.V. (2012) Meandu Mine: Geotechnical Home of the Friends of the Tertiary, Unpublished presentation for the Bowen Basin Geologist’s Group, Sherwood Geotechnical and Research Services, Australia, 18 p.
Simmons, J.V. and McManus, D.A. (2004) Shear strength framework for design of dumped spoil slopes for open pit coal mines, in Proceedings Advances in Geotechnical Engineering: The Skempton Conference, R.J. Jardine, D.M. Potts and K.G. Higgins (eds), 29–31 March 2004, London, UK, Thomas Telford Limited, Vol. 2, pp. 981–991.
Young, J.L. (2013) Meandu Mea_13_02 Model Report, Unpublished Internal Resource Report by JB Mining Services for Stanwell Corporation Pty Ltd.




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