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A Review of Current Tunnelling Technology and Boring Applications in Mining and Infrastructure Development - An EPCM Perspective
By S. C. Gouws
"SynopsisSustainable infrastructure development has long been identified as a key enabler for socio-economic growth and poverty reduction in societies globally. Twenty-one years into the young South A
Jan 1, 2015
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Automated Structure Mapping Of Rock Faces
By M. K. Elmouttie, G. V. Poropat
Mapping of exposed rock walls provides data on geological features such as joints, bedding planes, faults etc critical to the economics and the safety of mine operations. Traditional, manual methods o
Jan 1, 2006
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Keynote Address: The South African mining industry sustainable development requires new integrated systems of governance
By M. Hermanus
1. INTRODUCTION It gives me great pleasure to extend my warmest greetings to everyone attending the 30th International Conference of Safety in Mines Research Institutes. I would also like to bid a
Jan 1, 2003
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Sampling Of Run-Of-Mine Mill Feed - A Practical Approach
By K. I. Afewu
A modified approach to the implementation of Gy?s sampling theory is discussed and used to design a procedure for sampling crushed gold ore feed to metallurgical process plants. The approach involves
Jan 1, 1998
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Wind Blasts In Longwall Panels In Underground Coalmines
By P. Sharma
Longwall panels facing wind blasts have been investigated at both Newstan and Moonee Collieries in the Newcastle Coalfield under the Wind Blast Project of the School of Mining Engineering, The Univers
Jan 1, 2004
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Extending The Upper Particle Size Limit For Coal Flotation
Novel flotation reagents were developed to improve the flotation of coarse particles. Laboratory tests conducted on an anthracite coal sample from Kyung-Dong Coal Company, Korea, showed that the reage
Jan 1, 2002
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Investigation Of Surface Properties Of Gangue Minerals In Platinum Bearing Ores (987425e4-8c6a-401a-a26d-aaffefa9014a)
By J. Martinovic
The large proportion of gangue minerals present in platinum bearing ores in South Africa provides challenges to the flotation and downstream processes. In order to take effective measures to reduce th
Jan 1, 2005
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The Effect Of The Proposed Royalty Billon Mineral Property Values - Introduction
By E. V. Lilford
The South African Minerals Development Act (?the Act?) has been promulgated and will come into full force and effect once it is gazetted. Thereafter, all Old Order mineral rights will have to be conve
Jan 1, 2003
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A Chance-Constrained Programming Approach For Open Pit Long-Term Production Scheduling In Stochastic Environments
By J. Golamnejad
This paper attempts to model long-term production scheduling problems by chance constrained binary integer programming in a stochastic environment. This stochastic model is set up to account for ore b
Jan 1, 2006
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Preliminary Study Into A Mechanized Resue Mining Method For Deep Level Mining
By R. G. B. Pickering
Resue mining was practiced extensively in the East Rand in the first half of this century. The obvious benefits were that a higher grade of ore was trammed to the surface. The disadvantages were slow
Jan 1, 2000
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Using Machine Carousel To Reduce Cladding Support Cycle At Pk2 Ventilation Shaft (311f8feb-63e6-4d23-980e-900e4671e984)
By Braam Blom
PK2 Ventilation shaft is part of Paardekraal No 2 twin shaft system that is being developed to replace depleting Merensky reef production at Paardekraal shaft complex. The sinking team at this shaft f
Jan 1, 2009
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In Situ Studies On Service Life And Pick Consumption Characteristics Of Shearer Drums
By B. Tiryaki
Longwall shearers usually suffer from excessive pick and pickholder consumptions and severe wear of the back plate of the clearance ring section of shearer drums. In practice, most of the drums were s
Jan 1, 2004
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A Preliminary Investigation Into The Metallurgical Efficiency Of An Enhanced Gravity Separator
By F. Peer
This Technical Note was presented as a poster at the Western Cape Mineral Processing Symposium held in August 2001 The cleaning of fine coal (-1000 µm) in today?s coal preparation plants is an econ
Jan 1, 2002
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The Use Of Performance Monitoring Techniques In Detecting Process Shifts And Potential Root Causes In A Variable Speed Grinding Application
By T. Khumalo, L. P. Coetzer
This paper addresses the impact of the variable speed drive on the particle size distribution in the product of a fully autogenous UG2 grinding circuit. It further discusses the impact of a varying pa
Jan 1, 2006
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Shortwall facebreak beneath a dolerite sill—learning points from a recent event at Matla Coal mine
By J. W. Latilla, J. J. van Wijk
A running facebreak ahead of the powered support units occurred on the number 4 seam at Matla Coal’s number 3 shaft (Matla 3) in April and May 2002.Very difficult mining conditions were experienced fo
Jan 1, 2003
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Evaluation of Different Adsorbents for Copper Removal From Cobalt Electrolyte
By V. Yahorava
Ion exchange is considered to be an effective technology for the removal of various impurities from cobalt advance electrolytes. With the correct choice of resin, ion exchange can consistently remove
Jan 1, 2014
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The Safe Use Of Shock-Tube And Detonating Cord Systems In Shaft Sinking - A Global Trend
By L. P. Lamprecht
Traditionally, South African shaft sinking operations have used electric detonators for the initiation of blastholes. Globally, the trend in shaft sinking is to use the shock tube and detonating cord
Jan 1, 1999
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An Investigation Into The Moisture Absorption Properties Of Thermally Dried South African Fine Coal
The aim of this research was to study the absorption characteristics of thermally dried fine coal from South African collieries. After milling to ?150 µm and pressure filtration, the samples were subj
Jan 1, 2002
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Kriging, Indicators, and Nonlinear Geostatistics
By J. Rivoirard
Historically, linear and lognormal krigings were first created to estimate the in situ mineral resources of blocks. Nonlinear geostatistics and indicator kriging were subsequently developed to evaluat
Jan 1, 2014
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Lateral Hydraulic Transportation Of Comminuted Reef And Waste In Future Concentrated Mining Operations
By H. J. Ilgner
The paper reviews the results to date of an integrated research programme currently being conducted by CSIR Mining Technology, aimed at impacting significantly on concentrated mining with face advance
Jan 1, 1997