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  • SAIMM
    Strength, Deformability, and Micromechanics of Brittle Fracture in a Crystalline Rock Under True Triaxial Compressive Stresses

    By B. Haimson

    A new loading apparatus was fabricated and used to conduct true-triaxial compression tests on KTB amphibolite, a crystalline basement rock. Tests in dry jacketed samples reveal that the intermediate p

    Jan 1, 2003

  • SAIMM
    An effective face support system to minimize rockfalls - Synopsis

    By N. D. L. Burger

    An effective prototype face support system to minimize rockfalls in rockfall-prone mines was developed and patented during a project sponsored by the Mine Health and Safety Council (MHSC). An experime

    Jan 1, 2008

  • SAIMM
    Design of Merensky Reef Crush Pillars

    By B. P. Watson

    The Bushveld platinum group metal deposits are two distinct, shallow-dipping stratiform tabular orebodies which strike for many hundreds of kilometres. Mining is extensive, with depths ranging from cl

    Jan 1, 2010

  • SAIMM
    Sampling mineral commodities?the good, the bad, and the ugly - Synopsis

    A wide range of drill holes and process streams are sampled for resource estimation, grade control, and contractual purposes in the minerals industry. However, despite the availability of training cou

    Jan 1, 2010

  • SAIMM
    Beneficiation of Marble From Griekwastad, Northern Cape Province

    By N. P. Mahumapelo

    This paper is based on a study to determine the potential beneficiation opportunities for marble from Griekwastad in the Northern Cape Province. The marble was characterized mineralogically by X-ray

    Jan 1, 2014

  • SAIMM
    Low-Cement Chrome-Oxide-Free Castable For Use In Ironmaking Rotary Kilns

    By D. Tsweleng

    In the Evraz Highveld production process, iron ore is prereduced in rotary kilns prior to charging into submerged arc furnaces (SAFs). Owing to the highly aggressive slags that are formed within the c

    Aug 1, 2013

  • SAIMM
    Increasing efficiency of conveyor belt transporting system 4 Belt Lonmin - Synopsis

    By G. G. le Roux

    The purpose of the investigation was to assess various options for increasing the efficiency of the conveyor belt transporting system used at 4 Belt Shaft at Lonmin?s Marikana operations. The reason f

    Jan 1, 2008

  • SAIMM
    A Mining Perspective on the Potential of Renewable Electricity Sources For Operations in South Africa Part I—The Research Approach and Internal Evaluation Process

    By R. G. Votteler, A. C. Brent

    "The business performance of mining corporations in South Africa is adversely affected by the constantly increasing electricity costs. The most commonly used power sources are the national utility sup

    Jan 1, 2017

  • SAIMM
    Needs Analysis for Capacity Building of Artisanal Miners in Central Africa

    By Steven M. Rupprecht

    "The artisanal mining sector in Central Africa is largely informal, yet provides an essential livelihood for many (directly or indirectly) participants, as well as facilitating an important source for

    Jan 1, 2015

  • SAIMM
    The Effect Of Electrolyte Additives On Cathode Surface Quality During Copper Electrorefining - Synopsis

    By T. A. Muhlare

    The use of electrolyte additives to smoothen cathode deposits during copper deposition is practised worldwide. These additives absorb on the cathode surface and take part in the electrochemical crysta

    Jan 1, 2011

  • SAIMM
    The 4TH Wave: Culture-Based Behavioural Safety

    By L. Bloch

    Most mine safety initiatives in South Africa are doomed to limited success because of one simple fact: they are a-historical and un-cultural and do not deal with the serious ?legacy issues? that still

    Jan 1, 2012

  • SAIMM
    Crud ForxTM - A New Approach to Crud Management

    By Sergio Burelli, Darren C. Megaw

    "Operational challenges associated with solvent extraction (SX) plants include the effective on-line management of solids introduced from a variety of process streams. Solids are carried over from lea

    Jan 1, 2015

  • SAIMM
    End-Of-Life Mode Of Failure Of A Zinc Sulphide Concentrate Fluidised Bed Roaster And Its Rebuilding

    By N M. Vegter, C B. Kohler, E H. O Meyer

    Zincor operates four Lurgi fluidised-bed roasters at its roast-leach-electrowin refinery in Springs, South Africa. In 2006, Zincor?s four roasters had reached ages ranging between 26 and 38 years, whi

    Jan 1, 2007

  • SAIMM
    Classification of Roof Strata and Calculation of Powered Support Loads in Shallow Coal Seams of China

    By G. Song

    "SynopsisAccording to the overlying rock strength and thickness of 10 shallow coal seams in China, the strata are classified into four types: weak and laminated strata (hereinafter referred to as WL),

    Jan 1, 2015

  • SAIMM
    An initial assessment of the closely spaced dip-pillar mining layout as practised at Driefontein Gold Mine

    By J. W. Klokow, K. L. Riemer, R. I. L. Ferreira

    As a result of the increased depth of mining in the South African gold mining industry mining induced seismicity is a severe problem. One of the strategies within the industry to contain the problem i

    Jan 1, 2003

  • SAIMM
    Chromite?A Cost-Effective Refractory Raw Material For Refractories In Various Metallurgical Applications

    By N. McEwan

    Keywords: refractories, chromite, Marico This paper examines the role of refractory-grade chromite in refractories. The chromite deposit at Verref?s Marico Chrome mine is described. The refractory

    Jan 1, 2011

  • SAIMM
    Application Of Openrisk At Open Cast Coal Mines

    By L. Munsamy, B. J. Madden

    OpenRisk, an open cast risk rating system, takes into account relative differences in the importance of hazards, as experienced on each mine as a result of different combinations of geotechnical facto

    Jan 1, 2006

  • SAIMM
    Characterisation studies of Tectonised Clay shales and implications in the excavation of large size tunnels

    By Marco Barla, Mariacristina Bonini, Giovanni Barla

    ABSTRACT: The paper describes the characterisation studies of Tectonised Clay Shales at laboratory and in situ scale. The interest relates to tunnelling under squeezing and swelling conditions, in Ita

    Jan 1, 2003

  • SAIMM
    Our Mineral Heritage - Presidential Address

    By P. W. J. van Rensburg

    Our mineral heritage - PRESIDENTIAL ADDRESS given by P. W. J. van Rensburg, Pr. Eng.. B.Sc. (Eng.)(Rand) INTRODUCTION Stone Age people were living in various parts of South Africa as recent,ly as a th

    Jan 10, 1973

  • SAIMM
    Interaction Of Mgo-Mgr2o4(R: Al, Cr, Fe) Refractories With SO2-Containing Gases

    By N. Z. Fotoyi

    Keywords: MgO-MgR2O3 refractory, SO2-containing gases, chemical attack The reaction mechanisms occurring when MgO-MgR2O3 refractories are exposed to SO2-containing gas atmospheres were examined. T

    Jan 1, 2011