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Stress Induced Damage In Tunnels In A Cave Mining Environment In Kimberlite
By P. J. Bartlett
Premier Diamond Mine exploits a kimberlite orebody using cave mining methods. A drilling level is established at the base of a block of ore to effect undercutting that leads to caving of the overlying
Jan 1, 2000
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The Use And Abuse Of Feasibility Studies (c627553d-2bd9-45a2-832d-29f2383e03fc)
By W. Mackenzie
The development of a resource project inevitably requires the investigation of a vast range of issues across most engineering disciplines - mining, metallurgical, chemical, civil, electrical, mechanic
Jan 1, 2007
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Backfilling waste material composites environmental impact assessment
By J. Kortnik
Mining has always been, and still is, an activity which is vital for the development of mankind. This is because a predominant proportion of industrial products and energy is produced from raw materia
Jan 1, 2003
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A decision analysis guideline for underground bulk air heat exchanger design specifications
By M. Hooman, W. M. Marx, R. C. W. Webber-Youngman
This paper discusses a study that investigated different underground bulk air heat exchanger (>100 m3/s) design criteria. A literature review found that no single document exists covering all design c
Jan 1, 2015
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Optimizing The Life Of Ore Passes In A Deep-Level Gold Mine
By P. R. Brenchley
Main ore pass systems should last the life of a mine, and too often expensive and hazardous remedial measures are required to repair a damaged ore pass in an attempt to extend its life. In order to ma
Jan 1, 2006
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Underground Extraction Of Contiguous Coal Seams/Sections Consisting Thin Parting: A Case Study
By Rajendra Singh
Underground depillaring of contiguous coal seams/sections is a difficult problem, which becomes even more complex if the interburden/parting between them is thin. Conventionally, the depillaring with
Jan 1, 2004
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Ultrafine Particles: Aggravating Exposure Factor?
By W. C. A. van Niekerk, M. H. Fourie
The carcinogenic potential of chromium (VI) has been the subject of numerous environmental and occupational studies, from which many regulatory efforts emanated. Besides the regulation of levels of k
Jan 1, 2004
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The Manganese Ferroalloys Industry In Southern Africa
By J. D. Steenkamp
Southern Africa has a history rich in the pyrometallurgical processing of ores. Two of the alloys produced are high-carbon ferromanganese (74?83 per cent Mn) and silicomanganese (59?67 per cent Mn and
Aug 1, 2013
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Automated SEM study of PGM distribution across a UG2 flotation concentrate bank: implications for understanding PGM floatability ? Synopsis
By D. Chetty
The characterization of platinum group minerals (PGMs) from concentrator flotation circuits provides valuable information towards understanding PGM recovery under given milling and flotation condition
Jan 1, 2009
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Numerical Simulation Of Shear Fracture Evolution In Laboratory-Scale Samples ? Synopsis
By D. P. Roberts
This investigation aimed to simulate the experiments performed by Nic Gay (Gay, N.C. 1976. Fracture growth around openings in large blocks of rock subjected to uniaxial and biaxial compression. Intern
Jan 1, 2012
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The Application Of Cyclic Voltammetry Coupled With Surface Plasmon Resonance Measurements To Thiol-Collector Interactions With Gold Surfaces (4ab15224-caa7-44d5-8efa-b1cd96e7beac)
Surface Plasmon Resonance (SPR) spectroscopy, combined with cyclovoltammetry, has been successfully used to study the interactions between ethyl xanthate, heptyl xanthate, dithio-phosphate and propyl
Jan 1, 2005
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Masjed-e-Soleiman HEPP, Iran Rock Engineering Investigations, Analysis, Design and Construction
By F. B. Samani, B. Stabel
The 1,000 MW Hydro Power Station Masjed-e-Soleiman (formerly called Godar-e-Landar) in Iran is under construction since 1992. The rock engineering aspects of the major underground structure, i.e. the
Jan 1, 2003
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Air Leakage Through Underground Ventilation Stoppings And In Situ Assessment Of Air Leakage Characteristics Of Remote Filled Cement Concrete Plug By Tracer Gas Technique
By A. K. Singh
Between the main fan and the coalface in a mine a lot of air is lost through leakage at stoppings, doors, air-crossing etc. so that a much larger quantity of air has to be circulated by the fan in ord
Jan 1, 2004
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Wind Erosion Of Tailings Dams And Mitigation Of The Dust Nuisance
By G. E. Blight
Wind erosion can be a major cause of the loss and dispersion of tailings material from a tailings dam into its surrounding environment. Such dust dispersion can be a serious nuisance, as well as a hea
Jan 1, 2007
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Optimization of shovel-truck system for surface mining - Synopsis
By S. G. Ercelebi
In surface mining operations, truck haulage is the largest item in the operating costs, constituting 50 to 60% of the total. In order to reduce this cost, it is necessary to allocate and dispatch the
Jan 1, 2009
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The Fabric Of Coal-Mine Refuse As Backfilling Material And Its Relation To Grain-Size Distribution Parameters
By M. G. Senyur
This study aims at investigating the structural characteristics of backfilling material. In this regard, spatial arrangement of solid particles and associated voids in a unit mass of coal mine refuse
Jan 1, 1998
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Representation of coal and coal derivatives in process modelling (c1409317-ab54-4241-b307-06d0044846d0)
By J. A. Theron
"This paper provides guidelines on performing mass and energy balance modelling involving coal and coal derivatives. Usually, the inputs to a pyrometallurgical process would be specified in terms of e
Jan 1, 2015
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Aspects Of Saf Smelting Of Ferrochrome
This paper provides a review of the chemical reactions occurring in the submerged arc processing of chromite ores. The excavations of industrial furnaces have shown that the charge, as it descends thr
Jan 1, 2004
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Non-Linear System Identification Of An Autocatalytic Reactor Using Least Squares Support Vector Machines
Paper written on project work carried out in partial fulfilment of B.Sc. Eng. (Extractive Metallurgy)degree The concepts behind support vector machines are very interesting both in theory and in pr
Jan 1, 2003
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Technical skills?a major strategic issue - Synopsis (fe76e3c8-f6c3-411a-a6dd-39c52c339bd0)
A shortage of technical skills in all areas of the mining industry is being experienced worldwide. This has significant consequences for design, operations, productivity and safety and, therefore, nee
Jan 1, 2008