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Dozer ‘Side-Cutting’ Versus Excavator Side-Casting on the Highwall in Dozer Bulk Push OperationsBy N. Sinclair
"In open pit dozer bulk push operations, the material left resting against the highwall after blasting poses an issue. This is because dozers cannot physically get in behind the waste to begin the bul
Jan 1, 2019
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Formation of Amorphous Ti-50 at.% Pt By Solid-State Reactions During Mechanical AlloyingBy M. L. Mahlatji
Mechanical alloying of an equiatomic mixture of crystalline Ti and Pt elemental powders in a high-energy ball mill formed an amorphous alloy by solid-state reactions. Mechanical alloying was carried o
Jan 1, 2014
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The Use of Fuzzy-Weighted Binary Integer Goal Programming to Select the Optimum Site for a Central Processing PlantBy E. Bakhtavar, R. Mikaeil, D. Khademi
"Fuzzy-weighted integer goal programming has been developed and used to select the most suitable site to construct a central processing plant for several adjacent small-scale dimension stone quarries,
Jan 1, 2017
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Note on a Proposed Arbitrary Quality Classification of Coke for use in Interpreting Experimental Coke Oven ResultsBy P. J. A. Beukes, C. C. La Grange
INTRODUCTION Some years ago the authors proposed a modified procedure1 for carrying out micum index determinations2. The modifications consisted of using a drum of 50 cm internal length, i.e. half th
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Considering the impact of water quality on flotation response, K.C. Corin and M.S. ManonoBy K. C. Corin, M. S. Manono
The drive to reduce water usage globally has led to the mining industry reassessing its water usage - owing to past environmental degradation due to effluent discharge, tailings disposal and process w
Jan 1, 2020
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Calculating Ecological Footprints for Mining Companies–An Introduction to the Methodology and an Assessment of the BenefitsBy D. Limpitlaw, A. Alsum, D. Neale
"Ecological footprint analysis (EFA) was first described in 1996 as a measure of carrying capacity appropriated by human activities. EFA is a resource and emissions accounting tool designed to track t
Jan 1, 2017
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Solvent extraction test work to evaluate a Versatic 10/Nicksyn? synergistic system for nickel-calcium separation - SynopsisBy R. du Preez
Tati Nickel is currently operating a hydrometallurgical demonstration plant in Botswana, using the Activox® process developed by LionOre Technology to produce nickel cathode and a cobalt salt from a s
Jan 1, 2007
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A study of the arrangements for pulp discharge on pebble mills, and their influence on mill performanceBy A. H. Mokken, G. K. I. Blendulf, G. J. C. Young
A study of the arrangements for pulp discharge on pebble mills, and their influence on mill performance by A. H. MOKKEN, B.Sc. (Eng.) (Rand) (Fellow), G. K. I. BLENDULF, M.Sc. (Stockholm) (Member), an
Jan 5, 1975
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Cave Management As An Ore Reserve Management Tool Ensuring Optimal Life Of Mine For Palabora Mining CompanyPalabora Mining Company is operating a copper block cave mine in the Limpopo Province of South Africa. The mine was developed in the late nineties with a target ore reserve of 220 million tonnes of c
Jan 1, 2007
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Spontaneous combustion of the organic mater in discards from the Witbank coalfieldBy R. M. Falcon
The paper opens with a summary of the major factors responsible for spontaneous combustion in coal discards. These include heat arising from the oxidation of coal and pyrite, and from the weting of dr
Jan 1, 1986
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Revaluation of rock mass classification using multivariate analysis and estimation of the tunnel supportBy B. H. Kim, S. K. Chung
RMR, Rock Mass Rating, is one of the famous rock classifications. However, RMR was proposed empirically and absolutely depends on the experience of engineer. Therefore, engineering verification is nee
Jan 1, 2003
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Effect of titanium content on solidification structure of ferritic stainless steel gas–tungsten and gas–metal arc weldsBy L. S. Linda, P. G. H Pistorius
Ferritic stainless steel is utilized to fabricate automotive exhaust systems using a ferritic weld metal. Ductility of the weld metal is higher if its microstructure contains a significant proportion
Jul 2, 2022
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The Functional Relationship Between Dust Hazard and the Rate of Collecting Funds to Pay Compensation for PneumoconiosisBy R. S. J. Du Toit
SYNOPSIS This paper is based on a thesis dealing with the problem of basing the current rate at which money is collected from mine owners to pay compensation for pneumoconiosis in the future, on the
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Geological Modelling"Chairman: Professor H. S. SICHEL Rapporteur: Miss M. I. WATSONPapers:Unrolling of Copperbelt orebodies by J. H. E. Perry and V. H. WiikAn exploration model for tabular orebodies by G. S. Koch and R.
Jan 1, 2014
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Threats To The South African Minerals Sector ? An Independent View On The Investment Environment For Mining ? SynopsisBy F. T. Cawood
This article offers a personal and independent view on the threats to the sustainability of the South African minerals industry. It argues that if the six identified threats of insufficient spending o
Jan 1, 2011
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Book reviewBook review Doyle, William S. Strip Mining of Coal; Environmental solutions. Park Ridge (New Jersey), 1976. 352 pp. $32. Surface mining of coal is still in its infancy in South Africa. The environment
Jan 1, 1977
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ENVIRON: A Computer Program for the Simulation of Cooling and Ventilation Systems on South African Gold MinesThis paper describes an interactive personal computer program, ENVIRON, which simulates cooling and ventilating systems on gold mines. An example of the practical application of the program is given a
Jan 1, 1987
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Problems Encountered in the Operation of a New CollieryBy A. A. Oakes, P. M. C. Wilson
This paper describes some aspects of the planning of a new colliery which commenced production in the Middleburg district in 1966. An account is given of some of the problems encountered in the early
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Technical Note: An Innovative Technique For Minimizing Operational Costs Of End-User Groups In A Production EnvironmentBy C. J. Alberts
The perception exists in many organizations that, once an energy management system is employed, there need not be any further adjustments to such a system. This is not true, as the field of energy man
Jan 1, 1997
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The reworking of old mines - a rock mechanics challengeBy R. C. More O’Ferrall
The author mentions some of the problems he has encountered, together with their solutions. These include the stoping of isolated pillars, the reduction of the size of shaft pillars, the stoping of a
Jan 1, 1981