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  • SAIMM
    Measurement of in situ stresses in deep drillholes for a hydroelectric project

    By N. Kumar, A. K. Dhawan, A. Varughese, S. K. Khullar

    Abstract The in-situ stress field is one of the primary parameters influencing the performance of underground structures particularly in the Himalayas where there is strong influence of topography

    Jan 1, 2003

  • SAIMM
    The interaction of rock mass properties and the project specific boundary conditions as basis for the design of deep excavation pits

    By R. Katzenbach, M. Vogler, U. Adamietz

    Abstract The design of deep excavation pits in rock mass is dependent as well on the mechanical properties of the rock mass as for example the orientation and the type of discontinuities like bed

    Jan 1, 2003

  • SAIMM
    CFD modelling of methane movement in mines

    By D. Whittles, C. J. Lea, T. X. Ren, A. Kelsey

    A methodology for the simulation of methane drainage combining geotechnical modelling and computational fluid dynamics (CFD) will be described. Geotechnical modelling was used to predict the developm

    Jan 1, 2003

  • SAIMM
    Alternative Dissolution Of Zircon Samples And Simultaneous Analysis Of Major And Trace Components ? Synopsis

    By S. J. Lötter

    Analysis of the major and minor components of raw zircon as well as plasma-dissociated zircon was undertaken using inductively coupled plasma optical emission spectroscopy (ICP-OES). Microwave-assiste

    Jan 1, 2012

  • SAIMM
    Safety Considerations In Underground Logistics?A Look At Vertical, Horizontal And In-Stope Transportation Systems ? Synopsis

    By S. M. Rupprecht

    Transportation accounts for some 26% of all mine accidents in South Africa. Although this figure may not be as prolific as fall of grounds accidents or accidents caused by seismic events, the enormity

    Jan 1, 2011

  • SAIMM
    Annual Report ? For The Year Ended 30th June, 1992

    [COUNCIL FOR 1991/92 President R.D. Beck President Elect JP. Hoffman Vice Presidents Senior Junior Dr H. Scott-Russell J.A. Cruis

    Jan 1, 1992

  • 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 Process Design Of Gold Leaching And Carbon-In-Pulp Circuits - Introduction

    Assuming that a gold ore has been effectively ground to ensure maximum economic liberation of gold, the circuits that will have the most effect on the successful operation of a gold plant will be that

    Jan 1, 1999

  • SAIMM
    Use Of Sintered Pellets In Production Of High Carbon Ferro Chrome

    By C. N. Harman, N. S. S. Rama Rao

    Production of Ferro-alloys through submerged electric arc furnace involves use of electric power as one of the major inputs. Hence the production by this power intensive process can be made economical

    Jan 1, 2007

  • SAIMM
    An analysis of the practical and economic implications of systematic underground drilling in deep South African gold mines

    By D. G. Krige

    Using chip sample data and spatial structure parameters from a large mined-out section of a South African gold mine the advantages to be gained from a regular underground borehole drilling programme h

    Jan 1, 2003

  • SAIMM
    Assessment Of The Precision And Bias Of An Online Gauge Using A Single Reference Instrument ? Synopsis

    By F. Lombard

    We consider the Grubbs estimation of the precision of an online gauge. Typically, this type of estimation involves independent results from two or more reference instruments (sampling and laboratory a

    Jan 1, 2012

  • SAIMM
    Exploration Strategy And Application At Ashanti?s Obuasi Operations

    By J. A. Cox

    The Ashanti mine is located within the Lower Proterozoic Birimian of Ghana, and covers a concession of 474 square kilometres at its Obuasi operations which comprise large scale underground, surface an

    Jan 1, 1999

  • SAIMM
    The History And Development Of The Pyrometallurgical Processes At Evraz Highveld Steel & Vanadium ? Synopsis

    By W. S. Steinberg

    In 1963, the full-scale engineering study for the development of an iron, steel, and vanadium plant was initiated. This was the birth of Evraz Highveld and its process flow as it is known today. Highv

    Jan 1, 2011

  • SAIMM
    The Influence Of Sr2+ On The Formation Of Calcareous Deposits On Freely Corroding Low Carbon Steel In Seawater

    The corrosion behaviour of a low carbon steel was investigated in synthetic seawaters with and without Sr2+. It was found that strontium substitutes for calcium in aragonite, rather than precipitating

    Jan 1, 2007

  • SAIMM
    Variations In Ultra-Deep, Narrow Reef Stoping Configurations And The Effects On Cooling And Ventilation - Introduction

    In exploiting the ultra-deep, narrow reef ore bodies of the Witwatersrand, the ventilation and cooling systems within the stopes play a critical role because of high concentrations of active workers.

    Jan 1, 2001

  • SAIMM
    Fatigue Knowledge?A New Lever In Safety Management - Synopsis

    By W. J. Theron

    The purpose of the paper is to give an introduction to the concept of fatigue and its causes in the mining industry. By knowing the fundamental role it plays, together with its dynamics, can positivel

    Jan 1, 2011

  • SAIMM
    Kinetic gold leach monitoring including cyanide speciation - Synopsis

    By P. W. Lotz

    Traditionally, bottle roll tests have been used to optimize the extraction process for best gold extraction and recovery. Such tests typically involve exposing the ore to defined reagent concentration

    Jan 1, 2009

  • SAIMM
    The Use Of Cusums As A Tool To Aid In The Interpretation Of Slope Monitoring Data With Specific Examples From An Operating Open Pit Mine

    By P. A. Lilly, W. Sarunic

    In most cases, slope movement monitoring data are collected on a temporal basis and displacement or velocity is plotted against time in order to assist the engineer to make judgements about slope beha

    Jan 1, 2006

  • SAIMM
    Economic Evaluation Of Optimum Bench Height In Quarries

    By H. Kose

    In this research, a model quarry with an annual production capacity of 1 000 000 tonnes has been studied for both pit and hillside quarry cases with constant overall slope angle and variable bench slo

    Jan 1, 2005

  • SAIMM
    Slag Properties And Design Issues Pertinent To Matte Smelting Electric Furnaces (e3a20593-dc35-4fd2-9a1d-dff5bd2ffd2f)

    The effect of composition on electrical conductivity (resistivity), viscosity and liquidus temperature of the slags encountered in electric smelting of PGM-containing suphide concentrates is reviewed

    Jan 1, 2004