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Journal of the Southern African Institute of Mining and Metallurgy

versão On-line ISSN 2411-9717
versão impressa ISSN 0038-223X

J. S. Afr. Inst. Min. Metall. vol.110 no.1 Johannesburg Jan. 2010

 

JOURNAL PAPER

 

Mine-wide panel stability monitoring at Anglo Platinum Union JV

 

 

D.F. MalanI; P.S. PiperI; G.M. PotgieterII; M. du ToitII

IGroundwork Consulting (Pty) Ltd
IIAnglo Platinum Union JV

 

 


SYNOPSIS

This paper describes the development and implementation of a mine-wide continuous stability monitoring system at the Declines Section, Anglo Platinum Union JV. The Declines Section at Union JV experienced a number of large panel collapses during 2005 and 2006. As well as posing a major safety risk, the panel collapses had a major effect on production since the Declines Section is a semi-mechanized operation. The collapses would often extend into the mechanized strike roadways, resulting in a loss of access to both current and future production faces. The collapses have been largely overcome owing to a change in support design and the implementation of a mine-wide stability monitoring programme. This paper describes the precursors to collapses, which were identified using continuous closure measurements and the remedial measures taken. It also outlines the design and introduction of a robust and reliable monitoring tool, which is now used on a mine-wide basis to provide early warning of large-scale collapses.


 

 

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References

Malan, D.F. Closure measurements in tabular excavations: Avoiding the pitfalls. Proc. SARES99, Johannesburg, Hagan, T.O. (ed.), 1999. pp. 238-250.         [ Links ]

Malan, D.F., Napier, J.A.L., and Janse van Rensburg, A.L. Stope deformation measurements as a diagnostic measure of rock behaviour: A decade of research,J. S. Afr. Inst Min Metall., vol. 107, November 2007, pp.743-765.         [ Links ]

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