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Applicability Of The Hoek-Brown Failure Criterion And The Effect Of The Anisotropy On Intact Rock Samples From Athens Schist
By H. Saroglou
The anisotropic behaviour of Athens Schist has been brought out through the testing of specimens with varying orientation of schistosity with respect to the major principal stress under uniaxial, tria
Jan 1, 2004
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Communicating Confidence in Mineral Resources and Mineral Reserves
Mining is an inherently risky business; from the technical, environmental, social, and economic uncertainties associated with advancing an exploration prospect to a viable project to the operating, ma
Jan 1, 2014
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Mining technology that could improve productivity in South Africa
By G. de B. van Niekerk
This paper briefly outlines some mining technology that is used with success in Australia but is not yet fully utilized in South Africa. The following aspects are discussed: improved rotary-drill bit
Jan 1, 1989
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Fundamentals Of Freeze Lining Behaviour In Ilmenite Smelting (3a57d3de-509b-4f93-b2e1-a89185adab8b)
Changes in reductant and energy inputs which are required to adjust the slag composition in an ilmenite smelter to a higher or lower FeO content are calculated. The calculated changes are based on the
Jan 1, 2003
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The Effect of Solids Suspended in a Nickel Electrolyte on Deposit Morphology
By K. G. Matshika
"Nickel electroplating from sulphate electrolyte is an efficient process. To achieve good quality cathode, however, parameters such as temperature, nickel concentration, pH, electrode alignment, elect
Jan 1, 2015
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Tunnel Surface Support - Capacities Of Various Types Of Wire Mesh And Shotcrete Under Dynamic Loading
The paper deals with the results of dynamic tests carried out on a range of surface support liners consisting of combinations of mesh (various types), shotcrete, and wire rope lacing. The testing was
Jan 1, 2001
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Phase Transformations And Surface Characterization Of The Platinum-Chromium Coated System - Synopsis
By N. Hanief
This research involves the investigation of phase transformations in the platinum-chromium coated system. Single-layer 0.1 µm platinum coatings were deposited via electron beam deposition on 99.98 per
Jan 1, 2012
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Cobalt And Nickel Removal From Zincor Impure Electrolyte By Molecular Recognition Technology (MRT) - Pilot Plant Demonstration
By G. J. van Tonder
The use of Molecular Recognition Technology (MRT), a highly selective separation technology using specifically designed ligands (such as macrocycles), has been demonstrated to be an effective treatmen
Jan 1, 2002
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Building A Database For The Prediction Of Phases In Pt-Based Superalloys
By L. A. Cornish, S. N. Prins, R. Süss
The work is being done using the Thermo-CalcTM software, and the database is being built up by obtaining good thermodynamic descriptions of all of the possible phases in the system. The database suppl
Jan 1, 2006
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The MINETRAIN project – practical training courses for mining experts in real-life conditions, K. Luolavirta, G. Barakos , M. de Paiva Bueno, and S. Luukkanen
By M. de Paiva Bueno, G. Barakos, S. Luukkanen, K. Luolavirta
Lifelong development of skills and knowledge of mining professionals has been recognised worldwide as a challenge for the development of a sustainable mining sector. Practical training and learning ov
Jan 1, 2020
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Practical Ergonomics In Mechanized Mining
By P. C. Schutte
The objective of ergonomics is to enhance the effectiveness and efficiency with which human tasks are carried out. Furthermore, the objective is to improve desirable human values. This can be achieved
Jan 1, 2002
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The Development Of A Jet Reactor For The Leaching Of Valuable Metals
By B. M. Loftus
An investigation into the use of impinging stream (jet) reactors for the leaching of a free milling ore produced an increase in gold recovery by 10% while decreasing leaching time by up to 90%.Tests o
Jan 1, 1997
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Determination Of Optimum Cutoff Grades Of Multiple Metal Deposits By Using The Golden Section Search Method
In recent years several mine researchers have studied the optimization of cutoff grade with the purpose of maximizing Net Present Value (NPV). The best and most popular one is the Lane algorithm. Base
Jan 1, 2003
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Comparison Of Resin-In-Solution And Carbon-In-Solution For The Recovery Of Gold From Clarified Solutions
By J. van Deventer
Testwork was done with two different adsorbents, Dowex-Minix gold-selective resin and activated carbon, to detemine their relative performances with regard to gold recovery from clarified low-grade so
Jan 1, 2000
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The role of semiotics in health, safety, and environment communication in South African mining and its influence on organizational culture
By L. Scott, M. A. Goncalves
Effective communication is a sought-after non-technical skill in the health, safety, and environmental (HSE) function and is fundamental in achieving an organization’s safety objectives. While differe
Feb 2, 2021
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Risks Associated With Rockpasses In Deep-Level Tabular Mines Based On Historical Pass Performance
By W. C. Joughin
Problems with the stability and performance of rockpasses in deep-level mines are common. This paper presents the results of an investigation into the recorded performance of rockpasses in deep-level
Jan 1, 2005
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A Risk Consequence Approach To Open Pit Slope Design
By P.J. Terbrugge
Open pit slope design has conventionally been effected as a bottom-up function utilizing available geotechnical information. This results in a decision criterion based on probability of failure and fa
Jan 1, 2006
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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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The Assessment Of Rock Cutability, And Physical And Mechanical Rock Properties From A Texture Coefficient
By C. Atilla Öztürk
Determining the cutability and mechanical properties of rocks is vital for the feasibility studies of a mine or tunnel projects. Many scientists have investigated the correlation between these paramet
Jan 1, 2004
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Soil quality as a key success factors in sustainable rehabilitation of kimberlite mine waste - Synopsis
By P. W. van Deventer
?Soil quality is the capacity of a soil to function, within ecosystem and land use boundaries, to sustain biological productivity, maintain environmental quality, and promote plant, animal and human h
Jan 1, 2008