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  • SAIMM
    Work-related musculoskeletal disorders in the South African Mining Industry

    By B. Dias, P. C. Schutte

    Work-related musculoskeletal disorders (WMSDs) affect the wellbeing of workers and result in poor quality work, lower work performance and decreased motivation. In contrast to ‘occupational’ diseases

    Jan 1, 2003

  • SAIMM
    Method For Assessing Quality Of The Variogram

    By H. J. Glass

    Collection, preparation, and analysis of blasthole chippings is expensive. Frequently, interpolation of grades at unsampled locations is considered using techniques like kriging. A pre-requisite for k

    Jan 1, 2003

  • SAIMM
    Influence Of Water Resources And Metal Ions On Galena Flotation Of Rosh Pinah Ore

    By G. Coetzer

    During galena flotation of Rosh Pinah milled material, metal ions and salts contents of various water resources (deionized, simulated circulated, lead concentrate thickener, lead tailing thickener and

    Jan 1, 2003

  • SAIMM
    Grain Size Modelling Of A Low Carbon Strip Steel During Hot Rolling In A Compact Strip Production (CSP) Plant Using The Hot Charge Route

    By W. Stumpf

    Mill log analyses and complementary hot deformation studies were carried out on the as-cast structure and on a hot rolled structure of the same low carbon steel (SAE 1006) that had been processed acco

    Jan 1, 2003

  • 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
    Factors limiting autonomy of chemical oxygen self-rescuers

    By J. B. A. Solar Menéndez, M. A. Martínez Fidalgo, L. A. Alvarez-Santullano

    1. ANTECEDENTS This present communication refers to the results of the research project entitled "Training in the correct use of chemical oxygen self rescue apparatus and also an analysis of apparatu

    Jan 1, 2003

  • SAIMM
    What is driving the development of integrated technical enterprise systems in the mining industry?

    By I. Jones

    Geologists, engineers, technicians and surveyors have successfully utilized technical software in the mining industry for over 30 years. Software for processing survey, geology, mine engineering and p

    Jan 1, 2003

  • SAIMM
    Evaluation of the importance of thermo-hydro-mechanical couplings on the performance assessment of a deep underground storage design

    By A. Rejeb, A. Millard

    ABSTRACT: An evaluation of the importance of the thermo-hydro-mechanical couplings (THM) on the performance assessment of a deep underground storage design has been made as part of the international D

    Jan 1, 2003

  • SAIMM
    Forecasting algorithms of production and consumption dynamics of world countries resources on the base of Kondratyev’s cycles

    By I. E. Teymenson, L. A. Bakhvalov

    Irrational usage of mineral commodities leads to depletion of natural resources and various ecological violations in natural environment. Fulfilment of a number of measures and strategic decisions by

    Jan 1, 2003

  • SAIMM
    Experiments on stope closure as a diagnostic measure of rock behaviour

    By D. F. Malan, M. Grave, J. A. L. Napier

    Previous fundamental research projects have indicated the value of continuous closure measurements in deep tabular excavations for improved support design, hazard assessment and for quantifying the ef

    Jan 1, 2003

  • SAIMM
    Failure probability analysis of high rock slopes based on bionic algorithm

    Abstract : The computation of reliability index or failure probability of slopes can be transformed into an optimisation problem. In high rock slope engineering, it is usually a multimodal optimizatio

    Jan 1, 2003

  • SAIMM
    Stability analysis of ore passes in the Kiirunavaara mine

    By J. Sjöberg, P. Lundman, E. Nordlund, C. Quinteiro

    Abstract In the Kiirunavaara underground mine, crude ore is transported through ore passes from the production levels to the main haulage level. Failure and stability problems have occurred in som

    Jan 1, 2003

  • SAIMM
    A few remarks on storage of low temperature materials in rock caverns

    By N. Kinoshita, Y. Inada

    The authors have proposed and discussed storage of low temperature materials such as LNG, LPG and frozen food in rock caverns. In this case, as the rock mass around the caverns will receive effects of

    Jan 1, 2003

  • SAIMM
    Development of a fire and explosion risk assessment methodology for underground mines

    By A. M. Thyer

    Throughout the history of mining, underground fires or explosions have killed many hundreds or thousands of people. Fortunately, the safety record has gradually improved as a result of many people’s w

    Jan 1, 2003

  • SAIMM
    The Application of Ductile Support Methods in Alpine Tunnels

    By B. Moritz, W. Schubert, E. A. Button

    ABSTRACT: Geological conditions associated with alpine environments in combination with high overburden in many tunnelling projects lead to squeezing behaviour. The main problems associated with such

    Jan 1, 2003

  • SAIMM
    Some practical aspects of the use of lognormal models for confidence limits and block distributions in South African gold mines

    By D. G. Krige

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

    Jan 1, 2003

  • SAIMM
    Visualising and Understanding the Stress Path for Rock Mechanics Modelling and Testing, and Rock Engineering Design

    By J. P. Harrison, J. A. Hudson.

    ABSTRACT: When considering the rock stress component of rock mechanics design, the basic procedure is to consider the pre-existing stress-state in the rock mass and then estimate the disturbance to th

    Jan 1, 2003

  • SAIMM
    Geotechnical parameters characteristics for a kind of schist in Iran

    By A. Fahimifar, H. Soroush

    Abstract: Triaxial tests were conducted on the schist specimens with various anisotropic angles under confining pressures of 0, 7 and 15 MPa, and axial stress-axial strains, were measured and plot

    Jan 1, 2003

  • SAIMM
    Noxious gas emissionss from the closed iron mines to the built-up areas on the surface

    By D. Grabowski, Z. Pokryszka

    ABSTRACT: Some residential areas of the iron basin of Lorraine (in the North-East of France) are affected by noxious gas emissions (under oxygenated, carbon dioxide loaded and radon loaded gas mixture

    Jan 1, 2003

  • SAIMM
    The Mineral And Petroleum Royalty Bill - Report To National Treasury - Executive Summary

    By F. T. Cawood

    This research report was produced in response to the release of the Mineral and Petroleum Royalty Bill. It involved are view of the mineral investment environments of selected countries in order to fo

    Jan 1, 2003