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Effect of HPGR grinding on pelletizing performance of coarse magnetite concentrate-microstructural studies, L. Hosseini, R. Hejazi, M. Saghaeian, and M.V. Sheikhzadeh
By M. Saghaeian, R. Hejazi, L. Hosseini, M. V. Sheikhzadeh
Blaine number has long been used to evaluate the pelletising ability of iron concentrate in the industry. Much information and practical data are available about the effect of Blaine number on pelleti
Jan 1, 2020
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SPOTLIGHT on equipment alternatives in underground mining
By J. A. Cruise
From 27th to 29th September, The South African Institute of Mining and Metallurgy held a Colloquium on Equipment Alternatives in Underground Mining in Johannesburg. The Colloquium, which was highly su
Jan 1, 1988
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Introducing your Council (766a80d9-84fa-4ac1-bbbc-5b01b894bd67)
Professor R.P. King holds a Ph.D. degree in chemical engineering, which he obtained at the University of Manchester in 1963. After that he lectured in the Departments of Chemical Engineering at the Un
Jan 1, 1984
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Modifications to underground coal mine personnel transport vehicles for mine rescue duties
By S. L. Bell
Most Australian longwall coal mines are currently working coal faces up to nine kilometres from the surface. In the event of a mine emergency walking this sort of distance wearing breathing apparatus
Jan 1, 2003
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Confinement dependence on cohesion weakening
By S. J. Thomas, P. A. Lilly, J. A. L. Napier
An industry research project has been established to examine the issue of rock mass failure in large open pit slopes. The approach began with numerically modelling failure at the laboratory scale wit
Jan 1, 2003
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In-stope bolting for a safer working environment - Synopsis
By P. Henning
Rock fall accidents continue to be the main cause of fatal and serious injuries in the mining industry. Although there has been an improvement in the FOG (falls of ground) related fatal and serious in
Jan 1, 2010
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Characterisation of cellular lightweight concrete and timber stope supports
By P. N. Erasmus, M. Heyns, M. J. Pretorius
The characteristic of stope supports plays a vital role in the design of the supports. This paper deals with the characterisation of both cellular lightweight concrete and timber supports since both
Jan 1, 2003
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Applications Of Fibre-Reinforced Shotcrete (Fibrecrete) Support In Drifts At Nchanga Underground Mine.
By Simon Mundike, Muwindwa Lipalile
A scraper based block cave method has been successfully applied to extract the Lower Ore Body at Nchanga since the 1950?s. Since inception, scraper drifts and service ways have been supported using st
Jan 1, 2005
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The free ligand model to describe and design cobalt extraction and nickel scrubbing in a base metal refinery
By O. S. L. Bruinsma, M. J. Matsela, D. J. van der Westhuizen
The free ligand (FL) model is an intuitive model to calculate the equilibrium concentrations in solvent extraction (SX) based on the distribution coefficient (Kd) at infinite dilution and the fraction
Dec 11, 2024
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Influence of pore water on the design of deep galleries in low permeable rocks
By V. Labiouse, R. Gärber
The paper aims at clarifying the up-to-now misappreciated role taken by pore water on the design of deep tunnels in saturated porous media. Numerical simulations with a non-dimensional FEM-model empha
Jan 1, 2003
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Practical tool for quality control of overcoring stress measurement data
By M. Hakala
A computer program was developed to simulate transient strains and stresses during an overcoring in the situ stress measurement. The solution is based on superpositioning of elastic stresses. The meas
Jan 1, 2003
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A Risk Consequence Approach To Open Pit Slope Design
By P J. Terbrugge, O K. H Steffen
Open pit slope design has conventionally been effected as a bottom up function utilising available geotechnical information. This results in a decision criterion based on Probability of Failure and F
Jan 1, 2006
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Where is all the gold?
By M. Handley
The Witwatersrand Basin contains by far the most gold ever found, and has hosted mining from its discovery in 1886 to the present. For many years, South Africa was the world’s largest producerof gold,
Apr 5, 2023
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Developing New Approaches To Rock Slope Stability Analyses
By J. R. L. Read, A. N. Ogden
This paper describes mining industry funded research that is being undertaken to address the critical gaps and uncertainties in our knowledge so that we can develop new approaches and create more effe
Jan 1, 2006
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Effect of mineralogy on grindability – A case study of copper ores
By T. Nghipulile, G. Dzinomwa, J. Kurasha, M. Amwaama, B. Mapani, K. Maweja, T. E. Moongo
The effect of mineralogy on the grindability was investigated using three copper ores – two sulphides and one oxide. The dominant copper minerals were identified by optical microscopy and mineral chem
Mar 30, 2023
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SPOTLIGHT on the mechanization of mining operations
By J. J. Geldenhuys
A colloquium on 'Developments in the Mechanization of Mining Operations' was held in, conjunction with the 1984 Electra Mining Exhibition, at the Milpark Holiday Inn in Johannesburg on 19th
Jan 1, 1985
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Development Of An Antivibration Handle For Pneumatic Jackleg Rock Drills
By Pierre Marcotte
Jackleg rock drills expose their operators to high hand-arm vibration levels. To address this problem, an antivibration handle has been developed. The antivibration properties of the handle were achie
Jan 1, 2008
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Work-related musculoskeletal disorders in the South African Mining Industry
By B. Dias, P. C. Schutte
Work-related musculoskeletal disorders (WMSDs) affect the wellbeing of workers and result in poor quality work, lower work performance and decreased motivation. In contrast to ‘occupational’ diseases
Jan 1, 2003
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Green Pages - Interactive Industrial Theatre In Environmental Education
Using the philosophy that 'change cannot be introduced through memos-you have to get people emotionallyinvolved', SRK's Environmental Group in South Africa is helping clients communicat
Jan 1, 1995
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Geotechnical parameters characteristics for a kind of schist in Iran
By A. Fahimifar, H. Soroush
Abstract: Triaxial tests were conducted on the schist specimens with various anisotropic angles under confining pressures of 0, 7 and 15 MPa, and axial stress-axial strains, were measured and plot
Jan 1, 2003