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  • SAIMM
    Presidential address: How cool are refractory materials? - Synopsis

    This paper reviews the history of refractory materials, highlights the development of refractory technology over the years, draws attention to the technology behind these materials, and comments on fu

    Jan 1, 2008

  • SAIMM
    Optimization of shovel-truck system for surface mining - Synopsis

    By S. G. Ercelebi

    In surface mining operations, truck haulage is the largest item in the operating costs, constituting 50 to 60% of the total. In order to reduce this cost, it is necessary to allocate and dispatch the

    Jan 1, 2009

  • SAIMM
    Mining Method Selection By Multiple Criteria Decision Making Tools

    By M. R. Bitarafan

    Mining method selection is the first and most important problem in mine design. In this selection some of the parameters such as geological and geotechnical properties, economic parameters and geograp

    Jan 1, 2004

  • SAIMM
    Physical and numerical modelling of a four-strand steelmaking tundish using flow analysis of different configurations (0c3edd99-7ca7-481d-91c3-d7b7b8a277a8)

    By J. H. Cloete, S. M. Bradshaw, D. K. Chibwe

    "Modern tundishes have evolved as vessels to serve as the final step in refining of molten steel by removing inclusions and promoting thermochemical homogeneity.In this study the flow behaviour in a f

    Jan 1, 2015

  • SAIMM
    Gas-Phase Extraction Of Lead And Iron From Their Oxides In A Fluidized-Bed Reactor ? Synopsis

    By L. D. van Dyk

    The extraction of iron and lead from their oxides with a volatile organic ligand such as acetylacetone in the gas phase offers potential advantages of lower energy consumption, recycling of the extrac

    Jan 1, 2012

  • SAIMM
    Increasing The Capacity Of The Grinding Circuits Without Installing More Mills

    By Godofredo F. Barrios

    For years urethane screen surfaces have been used in a wide range of wet screening applications where openings from as fine as 100 microns and coarser have been used. The purpose of this paper i

    Jan 1, 2007

  • SAIMM
    Fluidized bed gasification of selected South African coals ? Synopsis

    By A. D. Engelbrecht

    An investigation was undertaken to ascertain the suitability of four selected low grade, South African coals for gasification in a bubbling fluidized bed for production of synthesis gas and for the de

    Jan 1, 2010

  • 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
    The Effect of Geological Uncertainty on Achieving Short-Term Targets: A Quantitative Approach Using Stochastic Process Simulation

    By M. Soleymani Shishvan

    "Continuous mining systems containing multiple excavators producing multiple products of raw materials are highly complex, exhibiting strong interdependency between constituents. Furthermore, random v

    Jan 1, 2016

  • 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
    Comminution Research At The University Of Cape Town

    Comminution is a vital part of minerals extraction, and therefore of the South African economy. The high cost and throughput-limiting nature of comminution forms a strong motivation for research direc

    Jan 1, 1998

  • SAIMM
    New Opportunities ? Exhaustive Monitored Copper Coolers For Submerged Arc Furnaces (0496ee01-222b-4cf7-b688-79441e60e149)

    By M. Hopf

    The use of water-cooled copper components as sidewall elements of submerged arc furnaces and other pyrometallurgical applications has become increasingly common. The high cooling efficiency of copper

    Jan 1, 2006

  • SAIMM
    Pit Wall Failures On ?Unknown? Structures

    By Phillip M. Dight

    A number of impending and actual pit wall failures have been observed and documented which have been interpreted to initiate on newly generated structural features. This infers failure through intact

    Jan 1, 2006

  • SAIMM
    Improvement in the Overall Efficiency of Mining Equipment: A Case Study

    "In mechanized mining, poor equipment efficiency (availability, utilization, productivity, and quality) can endanger the success of the operation. This case study will show how an initiative to improv

    Jan 1, 2016

  • SAIMM
    Effect of true tri-axial loading schemes on fracturing of limestone

    By J. -P. Tshibangu, A. Vervoort, A. Lavrov

    Abstract: The aim of the research presented is to study the effect of complex loading schemes on the fracturing process during loading and/or unloading. A first set of experiments was done using a pol

    Jan 1, 2003

  • SAIMM
    The Development of a Comprehensive, Practical, and Integrated Management Method for the South African Mining Industry

    By J. D. Stone

    This paper briefly reviews the adequacy of existing management theories and practices and the managerial proficiency or competency in the South African mining industry. The investigation revealed that

    Jan 1, 2010

  • SAIMM
    Some Practical Aspects Of The Use Of Lognormal Models For Confidence Limits And Block Distributions In South African Gold Mines (fb46b25c-eb38-486d-ae41-a92c3f6edf12)

    By D. G. Krige

    For the purpose of determining confidence limits for ore grade estimates, an extensive simulated database was used, which included 1728 ore blocks with ?actual? grades and the corresponding estimates

    Jan 1, 2004

  • SAIMM
    Obituary: Dr William Bleloch

    With the passing of Dr William Bleloch on 20th June 1991, we lost not only a colleague and a good friend but a man who made a very significant contribution to the industrial development of South Afric

    Jan 1, 1991

  • SAIMM
    Utilization of blast movement measurements in grade control

    By I. R. Firth, D. L. Taylor

    Metal mining operations, in particular gold mining operations, use intensive ore control procedures in order to manage the extraction of ore zones from benches containing both ore and waste material.

    Jan 1, 2003

  • SAIMM
    Separation Performance Of Raw Coal From South Africa Using The Dense Gas-Solid Fluidized Bed Beneficiation Technique

    By J. He

    The separation performance of a raw coal sample from South Africa based on the dense gas-solid fluidized bed beneficiation technique was investigated. Analysis showed that the raw coal sample distribu

    Jul 1, 2013