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Notices THE FEDERATION OF SOCIETIES OF PROFESSIONAL ENGINEERS (fd7aefc2-847a-4c6d-8036-efd8d5953dc0)
Notices THE FEDERATION OF SOCIETIES OF PROFESSIONAL ENGINEERS The following letter has been received from the Secretaries of the above Federation. Ref. EHvdL/MM/27 13/11/1973 TO THE SECRETARIES OF ALL
Jan 1, 1974
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Assessment of filter fabrics for chamber filter presses in the mining sector with focus on filtration properties, regenerability and service life, B. Fränkle, P. Morsch, B.T. McKenna, and H. Nirschl
By B. T. McKenna, H. Nirschl, P. Morsch, B. Fränkle
Generally, filter media used in filter presses have a limited operational life. Besides mechanical damage, there is a growing deposition of fine particles with increasing filtration cycles, the so-cal
Jan 1, 2020
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The Application Of Modifying Factors To The Merensky Reef And UG2 Chromitite Layer
The application of modifying factors to the Merensky Reef and UG2 Chromitite Layer has a number of challenging aspects as the deposits are tabular and consist of a number of separate geological entiti
Jan 1, 2007
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In-situ stress measurements in an underground oil storage cavern using hydro-fracturing and overcoring methods
By S. O. Choi, C. Park, C. Sunwoo
Two methods of stress measurements have been executed on the surface and underground to con-struct an oil storage cavern using hydro-fracturing and overcoring method. The first measurement has been pe
Jan 1, 2003
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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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A long hole stoping system for mining narrow platinum reefs
By P. Valicek, M. Farren, R. G. B. Pickering, G. Harrison, P. van Dorssen, W. Joubert, H. J. van Rensburg
Introduction In South African metalliferous mines, stoping operations are largely confined to narrow, tabular orebodies making mechanization extremely difficult. Limited flexibility in terms of st
Sep 1, 2001
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Seamlessly Integrating Occupational Health Into Business
By C. J. Badenhorst
The primary focus of management today is safety, or preventing negative, generally irreversible, events of acute duration. The outcomes of safety-related events are usually visible and can evoke stron
Jan 1, 2004
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Triaxial tests of carboniferous slates with static and dynamic loading
By B. Zlender
ABSTRACT: The paper presents investigation of carboniferous slates from the Trojane hilly area performed on series of samples of equal material. The results of static loading tests show that carbonife
Jan 1, 2003
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Spotlight On Inf Acon 80
By C. W. P. Finn
INFACON is of special significance to people in South Africa who are interested in ferro-alloys, because it was in South Africa that the idea of regular international congresses on ferro-alloys was co
Jan 1, 1981
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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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Hazard caused by mining gases in the area of abandoned underground mines in Poland
By M. Borowski, N. Szlazak, D. Obracaj
Methods of research and control of the intensity of gas inflow to undersoil layers, after the mines were abandoned are presented in the paper. Gas migration causes them to penetrate to lower storeys o
Jan 1, 2003
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South African National Committee On Tunnelling
By Mr P. W. J. van Rensburg
SOUTH AFRICAN NATIONAL COMMITTEE ON TUNNELLING In 1970, the South African Institution of Civil Engineers, the South African Institute of Mining and Metallurgy, the South African Institute of Mechanica
Jan 5, 1974
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African National Committee On Tunnelling
AFRICAN NATIONAL COMMITTEE ON TUNNELLING In 1970, the South African Institution of Civil Engineers, the South African Institute of Mining and Metallurgy, the South African Institute of Mechanical Engi
Jan 5, 1974
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Annual General Meeting of the Institute
The Annual General Meeting of the Institute was held in Kelvin House, Johannesburg, on Wednesday, 22nd August, 1973. Dr J. P. Hugo (President) was in the Chair. There were also present 64 Fellows,
Jan 10, 1973
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Numerical and Physical Modelling of Tundish Slag Entrainment in the Steelmaking Process
By S. Bradshaw, A. Mabentsela
"Physical and numerical modelling methods were followed to identify mechanism(s) for tundish slag entrainment in a bare tundish and one with a flow control device (FCD).The physical and numerical mode
Jan 1, 2017
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Effects of flotation operational parameters on froth stability and froth recovery
By K. Gharibi, A. Dehghani, S. Farrokhpay, M. Aghajanloo, M. Ostadrahimi
The effect of flotation operational parameters on froth stability and froth recovery was studied. Froth stability was measured using a special column. To determine the froth recovery, the froth height
Jan 1, 2021
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Correlations of geotechnical monitoring data in open pit slope back-analysis – A mine case study
By A. F. Silva, J. M. G. Sotomayor, V. F. N. Torres
Geotechnical monitoring plays an important role in the detection of operational safety issues in the slopes of open pits. Currently, monitoring companies offer several solutions involving robust techn
Oct 1, 2021
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The future of Ni−Cu smelting in Botswana: the choice between flashsmelting and top-submerged lance furnacess
By B. Ceki, A. Mabentsela
The BCL furnace is scheduled to restart operations after being placed on care and maintenance in 2016 due to depressed nickel prices. The decision to start operations after such a stoppage ought to be
Jul 10, 2024
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Numerical studies of the thermo-mechanical behaviour of rock mass around nuclear waste disposal repository
By S. O. Choi, H. -S. Shin, W. -K. Song
Nuclear waste should be disposed with the best warranty for the national health and welfare. Among the several repository systems, the deep underground disposal is considered to be a most suitable sys
Jan 1, 2003
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The South African Mineral Reporting Codes - Breakfast launch of SAMREC 2007 and SAMVAL 2008 - Hilton Hotel, 10 April 2008 - Opening Address - Roger Dixon, Chairman SAMREC/SAMVAL Committee (SSC)
It is almost eight years to the day when we launched the original SAMREC Code in March 2000. Since that date I think the SA minerals industry has matured beyond recognition in its approach to reserve
Jan 1, 2008