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Fatigue Knowledge?A New Lever In Safety Management - Synopsis
By W. J. Theron
The purpose of the paper is to give an introduction to the concept of fatigue and its causes in the mining industry. By knowing the fundamental role it plays, together with its dynamics, can positivel
Jan 1, 2011
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Evaluation Of Elastic Deformation Energy In Stone Cutting Of Portuguese Marbles With A Diamond Saw ? Synopsis
By P. Falcão Neves
A detailed analysis of the geomechanical behaviour in rock cutting with a diamond saw is provided to obtain a better understanding of the mechanisms involved in the process. The energy of elastic def
Jan 1, 2012
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The Design Of Stable Stope Spans For Shallow Mining Operations
By A. H. Swart
Unplanned stope panel collapses occur on most near-surface and shallow mines in South Africa. Although these incidents often occur during blasting, they pose a major threat to the safety of undergroun
Jan 1, 2005
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A Quantitative Method for Selecting Renewable Energy Projects in the Mining Industry Based on Sustainability
By M. Mostert
Mining companies sponsor a range of non-core, corporate social responsibility projects to adhere to social and labour plans and environmental management prerequisites that form part of a mining licenc
Jan 1, 2014
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Rock Strength and Geometallurgical Modelling, Mogalakwena Mine
By J. P. Germiquet
"Rock properties have a material impact on mining processes, including drilling performance. An investigation using point loaded index (PLI) data converted to uniaxial compressive strength (UCS) has r
Jan 1, 2016
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Tomorrow?s Technology - Out Of Africa - Today - 1. Introduction
By Pieter de Waal
The use of valuable minerals is a necessity to maintain a modern society. Not only the iron, aluminium, coal and oil that are used in large quantities, but also the uranium, copper, vanadium, tungste
Jan 1, 2007
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Localized Uniform Conditioning (LUC): Method and Application Case Studies
A new method, localized uniform conditioning (LUC), was proposed in 2006 for modelling grades of small blocks of ore when data spacing is too broad for their accurate modelling by the linear regressio
Jan 1, 2014
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Technologies For Emissions Reduction In The Metallurgical And Chemical Process Industries
By D. Schreuder
Conditions in the South African market relating to atmospheric emission control has changed dramatically over the last 10 years. Companies have become more responsible, environmentally aware, and have
Jan 1, 2006
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Dimensioning of Tunnels in Swelling Rock
By P. Wittke-Gatterman
ABSTRACT: A three dimensional constitutive law for swelling rock is presented. It can be applied to the osmotic swelling of mudstone as well as to the swelling of rocks containing anhydrite. It descri
Jan 1, 2003
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Plenary Address: Electrochemical processing using slags, fluxes and salts
By D. Fray
Electrochemical processing using molten electrolytes is undergoing a considerable renaissance due to several innovative ideas being explored both in the laboratory and also at the pilot scale. Several
Jan 1, 2004
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Stope deformation measurements as a diagnostic measure of rock behaviour: a decade of research - Synopsis
By D. F. Malan
This paper presents an overview of work conducted over several years to investigate the continuous stope closure profiles recorded in tabular excavations and the use of this data as a hazard indicator
Jan 1, 2007
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On the role of slag in the oxygen converter process
By H. Jalkanen, L. Holappa
The main role of slag in oxygen converter processes is to absorb the non-volatile oxidation products of hot metal impurities, Si, P, Mn, Ti, V, etc. The importance of converter slag as deP and de Smed
Jan 1, 2004
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Fire and brimstone: The roasting of a Merensky PGM concentrate
By P. den Hoed, R. I. Rambiyana
"Four sulphide minerals - pyrite (FeS2), pyrrhotite (Fe1-xS), pentlandite ([Ni,Fe]9S8), and chalcopyrite (CuFeS2) - contain the base metals and most of the iron in concentrates of platinum group metal
Jan 1, 2015
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Developments Of Mechanized Technologies For Low Seam Height Mining In Platinum
By P. Bracher
Most efforts to mechanize low seam (narrow reef) mining of platinum ore are presently based on board-and-pillar methods with1.6?1.8 m in reef excavation. This paper attempts to substantiate the benefi
Jan 1, 2003
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Importance of pore pressure monitoring in high walls - Synopsis
By K. L. Morton
Groundwater and associated pore pressure represent elements that can have a negative impact on surface mining and slope stability. Groundwater flow and deformation within a slope influence each other.
Jan 1, 2008
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Uncertainty Assessment For The Evaluation Of Net Present Value: A Mining Industry Perspective ? Synopsis
By Ö. Erdem
The investment decision making process in the insurance and finance industries is affected by new advances such as simulation techniques. These advances have improved the discounted cash flow method (
Jan 1, 2012
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Cracking A Hard Nut: An Overview Of Lonmin?s Operations Directed At Smelting Of UG2-Rich Concentrate Blends - Synopsis
Lonmin, earlier than any other primary platinum producer, had to deal with the concentrating and smelting of UG2-rich ores and concentrates respectively. Smelting was performed at a fairly modest scal
Jan 1, 2011
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Positive Risk Management: Hidden Wealth in Surface Mining
By J. A. Luckmann
"SynopsisThe purpose of this paper is to introduce an innovative approach to risk management in surface mining operations, namely, positive risk. Traditionally, risk management focused on mitigating l
Jan 1, 2015
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Steel-Slag As Filler Material In Concrete
By H. Moosberg-Bustnes
In cement-based products, such as concrete and mortars, a balance between the particle sizes of the components must be kept in order to obtain the required material properties, such as workability and
Jan 1, 2004
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Development Of A Rf Tracer For Use In The Mining And Minerals Processing Industry - Synopsis
By J A. Rabe, PAP Fouche, K O?Neill
Two of the most important issues mines have to deal with are tracking the ore mined from pit to plant and to test the efficiency of beneficiation equipment. Kumba Resources and Saco Systems are w
Jan 1, 2005