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  • SAIMM
    Key Results Of The Initial Environmental Risk Assessment For Chromium III Compounds And Chromium Metal

    By E. Pezennec

    A voluntary comprehensive environmental Risk Assessment was launched at the end of 2004 by the International Chromium Development Association. The completion is scheduled for mid 2006.EURAS, a leading

    Jan 1, 2007

  • SAIMM
    Development Of A Mineral Flotation Frother For Nchanga Mine On The Zambian Copperbelt

    By H Zimba, S Sondashi, M Chitambo

    By the time a reagent is finally accepted by a mine for use on its plant it could have gone through several screening and evaluation stages. These stages may include laboratory and plant evaluation te

    Jan 1, 2007

  • SAIMM
    Quadratic Programming For The Multi-Variable Pre-Homogenization And Blending Problem

    By M. Kumral

    Raw material fed into a processing or refining plant is required to be uniform in composition for several reasons. When the mined ore is highly variable in quality the only way to ensure consistency i

    Jan 1, 2005

  • SAIMM
    Evaluation Of Three Rock Breaker Layouts For Mechanized Block Cave Mining

    By J. B. Oosthuizen

    Mechanical rock breakers are used in block caving operations to reduce the size of ore fragments which are too large to pass through grizzlys at the load-haul-dumper tipping points. Several layouts of

    Jan 1, 1997

  • SAIMM
    Solving of determinate mining—Economic models by the method of Monte Carlo

    By I. V. Lunkin, E. B. Rakishev, B. R. Rakishev

    In mining the method of statistical tests is used by solving of problems, exposing to influence of random factors. Such problems are: rational selection of equipment set; co-ordination in time of diff

    Jan 1, 2003

  • SAIMM
    Improved gravity separation systems utilizing spiral separators incorporating new design parameters and features

    By D. M. MacHunter, M. K. Palmer

    Refinement of design parameters and features has resulted in the development and commercialization of spiral separator models that offer enhanced performance for a number of application areas. Exam

    Jan 1, 2003

  • SAIMM
    A Comparative Study Of The Performance Of Single Neural Network Vs. Adaboost Algorithm Based Combination Of Multiple Neural Networks For Mineral Resource Estimation

    By B. Samanta

    This paper investigates the performance of the neural network technique in a placer deposit situated at the Nome district in Alaska. Initially a single neural network model was constructed to estimate

    Jan 1, 2005

  • SAIMM
    Annual Report - For The Year Ended 30th June, 1997

    Council for 1996/97 President Dr N.A. Barcza President Elect R.P. Mohring Vice Presidents Senior J.R. Dixon Junior M.H. Rogers Immediate Past President D.A.J. Ross-Watt Honor

    Jan 1, 1997

  • SAIMM
    Planning Of Open Pit Mines On A Risk Basis

    This paper addresses the methodology of introducing risk into the development of mine plans for open pit mines. Recommendations are put forward for achieving a risk balance between mineral resource es

    Jan 1, 1997

  • SAIMM
    Dynamic Support Rationale and Systems

    By U. Singh, E. T. Brown, J. Coxon

    The rapid fracturing and deformation that occurs around excavations during rock bursts demand that support and reinforcement systems have both deformability and damping capabilities. The energy deman

    Jan 1, 2003

  • SAIMM
    Predicting Coal Pillar Life In South Africa

    By J. N. Van der Merwe

    The data base of failed coal pillars in South Africa was analysed with regard to the time of failure in an effort to develop a method to predict how long after their formation coal pillars will fail.

    Jan 1, 2003

  • SAIMM
    Electrometallurgical Relationships In Electric Smelting Furnaces

    By J. Persson, N. G. Bliss

    Electric furnaces used for smelting and those used for scrap melting exhibit different performance profiles in terms of electrical characteristics. However, the underlying principles are the same f

    Jan 1, 2004

  • SAIMM
    Continuous Casting Mould Powder And Casting Process Interaction: Why Powders Do Not Always Work As Expected

    By A. Normanton, B. Harris, V. Ludlow, S. Riaz

    Why does a continuous casting mould powder, which works successfully on a particular caster with respect to semi quality, fail to perform on a caster of a similar design utilizing liquid steel from a

    Jan 1, 2004

  • SAIMM
    Financial Impact Of Resource/Reserve Uncertainty

    In constructing a financial model of a project significant effort is expended on capital and operating cost estimation, commodity price forecasts, and choice of discount rates while uncertainty in the

    Jan 1, 1999

  • SAIMM
    The Relationship Between The Abrasion Resistance And The Hardness Of WC-Co Alloys

    By S. Luyckx

    This paper reports hardness and abrasive wear resistance test results from a wide range of WC-Co alloys, varying in cobalt content as well as WC grain size. The results show that the abrasive wear res

    Jan 1, 2004

  • SAIMM
    Environmental Risk Assessment As The Basis For Mine Closure At Iscor Mining

    By S. J. Swart

    This paper discusses the principles and application of risk assessment and management as the basis for environmental management within the mining industry. Unlike in other industries, mines are requir

    Jan 1, 1998

  • SAIMM
    Use of magnetic anistropy sensor for measurement of stresses on steel support and its potential

    By H. Sekimoto, T. Matsuoka, K. Yasuhara, M. Ota, S. Akutagawa

    A magnetic anisotropy sensor is used for nondestructive measurement of stress on surfaces of a ferromagnetic material, such as steel. The sensor is built on the principle of the magneto-strictive effe

    Jan 1, 2003

  • SAIMM
    Mud Rushes And Methods Of Combating Them

    By R. Butcher

    Mud rushes are hazardous occurrences that have occurred frequently in mines in South Africa, and have been the cause of numerous fatalities in the past. Mud rush incidents not associated with accident

    Jan 1, 2005

  • SAIMM
    Lessons For The Future: The Origins And Legacy Of COMRO?s Hydraulic Technology Programme

    By T. E. Pogue

    This paper traces the co-operative initiative undertaken by South Africa?s gold mining companies through the Chamber of Mines Research Organization (COMRO) in development of hydraulic technologies. Af

    Jan 1, 2006

  • SAIMM
    Insight Into The Anglo Platinum Mine Optimisation Tool

    By G. R. Lane, A. Vermeulen, S. van de Venter, S. Bhoowanpursadh

    Over the past two years Anglo Platinum made use of the specialist skills of Cyest Corporation to develop a Mine Optimization Tool (MOT) to enhance the current suite of in house mine planning tools and

    Jan 1, 2007