Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • SAIMM
    Processing low-grade coal to produce high-grade products

    By G. J. de Korte

    South Africa’s best-quality coal, located in the central Highveld basin, is becoming depleted and alternative sources of coal, such as the Waterberg coalfield, will have to be developed to supply the

    Jan 1, 2015

  • SAIMM
    A Rock Mass Rating System For Evaluating Stope Stability On The Bushveld Platinum Mines

    By B. P. Watson

    Several large falls of ground occur annually in the narrow, tabular stopes mined in the Bushveld Complex. These falls comprise safety risks and cause substantial production losses and compromise effor

    Jan 1, 2004

  • SAIMM
    Leachability Of Nitrided Ilmenite In Hydrochloric Acid - Synopsis

    By J. J. Swanepoel

    Titanium nitride in upgraded nitrided ilmenite (bulk of iron removed) can selectively be chlorinated to produce titanium tetrachloride. Except for iron, most other components present during this low t

    Jan 1, 2011

  • SAIMM
    The Influence Of Mn On The Tensile Properties Of SSM-HPDC Al-Cu-Mg-Ag Alloy A201 - Synopsis

    A201 aluminium alloy is a high strength casting alloy with a nominal composition of Al-4.6Cu-0.3Mg-0.6Ag. It is strengthened by the O(Al2Cu) phase and the ??(Al2Cu) phase during heat treatment. Furthe

    Jan 1, 2011

  • SAIMM
    Engineers For The 21st Century - Minerals And Metals Industry

    By P. J. Knottenbelt

    Outcomes from a workshop organized through the SAIMM revealed that the minerals and metals industry must develop its ?Engineering Team? if it is to continue to meet the challenges of globalization. Th

    Jan 1, 2002

  • SAIMM
    Origins Of Some Fractures Around Tabular Stopes In Deep South African Mines ? Synopsis

    By G. van Aswegen

    The geometry and morphology of a set of low-angle fractures around a stope in a deep Witwatersrand gold mine are explained in terms of extension fractures forming under variable conditions of stress.

    Jan 1, 2012

  • SAIMM
    Extending Empirical Evidence Through Numerical Modelling in Rock Engineering Design

    Models are used in engineering to reproduce reality as faithfully as possible so that the expected response of a system for given actions or inputs can be determined. In the field of rock engineering,

    Jan 1, 2014

  • SAIMM
    Qualitative Analysis Of Fine Coals Obtained From Triboelectrostatic Separation ? Synopsis

    By S. O. Bada

    Coal samples taken from the No. 2 Seam and No. 4 Seam in a South African colliery were tested in a rotary triboelectrostatic separator. The two-stage triboelectrostatic separation results using the -1

    Jan 1, 2012

  • SAIMM
    Innovated Solutions For Automated Charging And Stoking

    By J. Dienenthal

    Automatic Charging and Stoking Machines for use at ferroalloy furnaces are in operation for more than 20years. Dango & Dienenthal Maschinenbau GmbH (short: DDS) has developed several machine generatio

    Jan 1, 2007

  • SAIMM
    Controlled Solidification Of Ferrosilicon

    By L. Arnberg, E. Ott

    The microstructure of ferrosilicon is important since it controls the disintegration of the material during crushing and thus the generation of fines. Therefore a study of the microstructure formation

    Jan 1, 2004

  • SAIMM
    Mining An Open Pit Over And Through Old Sub-Level Caving Operations At Kwaggashoek East Open Pit, Thabazimbi Iron Ore Mine

    By C J. de Beer

    The Kwaggashoek East pit is one of the four production areas of Thabazimbi Iron Ore Mine. The Kwaggashoek East Open pit mines through the abandoned sublevel caving operations of the Kwaggashoek East u

    Jan 1, 2006

  • SAIMM
    Mine seismicity: prediction or forecasting? - Synopsis

    By S. M. Spottiswoode

    Much as one hopes to predict whether damaging seismicity might occur somewhere in the next shift, this is not possible at present. Recently, an analysis of seismicity at two mines has shown that a sma

    Jan 1, 2010

  • SAIMM
    A design methodology for mechanised stoping with stable support pillars at depth in the Bushveld Complex

    By D. A. Spencer, L. J. Gardner

    In light of the apparent productivity benefits provided by mechanised stoping, Impala Platinum Limited commissioned a study to investigate its possible implementation for mining reserves located 1200

    Jan 1, 2003

  • SAIMM
    Use of Geostatistical Bayesian Updating to Integrate Airborne Radiometrics and Soil Geochemistry to Improve Mapping for Mineral Exploration

    By J. M. McKinley

    Mineral exploration programmes around the world use data from remote sensing, geophysics, and direct sampling. On a regional scale, the combination of airborne geophysics and ground-based geochemical

    Jan 1, 2014

  • SAIMM
    Bias testing of cross-belt samplers - Synopsis

    By G. Lyman

    The cross-belt sampler is a device that is very widely used even though it has not been ratified by the Standards associations. This paper is concerned with the bias testing of two cross-belt sampler

    Jan 1, 2010

  • SAIMM
    A More Corrosion Resistant Herculestm Alloy.

    By M. J. Papo, A. Muwila

    Hercules? is a low nickel austenitic stainless steel developed at Mintek that has a typical composition of 9 wt% Mn, 0.05 wt% C, 2 wt% Ni, 0.25 wt% N and 16.5 wt% Cr. A more corrosion resistant versi

    Jan 1, 2006

  • SAIMM
    Design and Positive Financial Impact of Crush Pillars on Mechanized Deep-Level Mining at South Deep Gold Mine

    By B. P. Watson

    Crush pillars have been incorporated into a mechanized, low-profile trackless system at South Deep Gold Mine. These pillars had to be designed to fail near the face and to ensure that pillar failure i

    Jan 1, 2014

  • SAIMM
    In Search Of Low Cost Titanium: The Fray Farthing Chen (FFC) Cambridge Process - Synopsis

    By S. J. Oosthuizen

    This article explores the Fray Farthing Chen (FFC) Cambridge process, a novel method for the electrochemical deoxidation of metal oxides in molten salt, discovered at the University of Cambridge in 19

    Jan 1, 2011

  • SAIMM
    Reduced maintenance costs resulting from the use of wear resistant materials - Synopsis

    By S. D. Viljoen

    The use of ceramics to protect equipment subjected to wear in abrasive and corrosive applications has been accepted by most plants as the industry norm. Little is, however, known about alternative spe

    Jan 1, 2010

  • SAIMM
    Seismology And Slope Stability In Open Pit Mines

    By R A. Lynch, D A. Malovichko

    The implementation of routine real-time micro-seismic monitoring of open pit mine slopes has been discussed. Some examples of seismic arrays have been given, and a recommendation of suitable seismic

    Jan 1, 2006