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  • SAIMM
    Characterization Of Coal Mine Panels In Bord And Pillar Workings In Respect Of Their Proneness To Spontaneous Heating - A Prediction Model

    By T. R. Roy

    A prediction model, developed by Central Mining Research Institute (India) for evaluation of fire risk rating of underground coal mine panels in bord and pillar working in respect of their proneness t

    Jan 1, 2003

  • SAIMM
    Applications of seismic hazard assessment methods in mines

    By G. van Aswegen

    Large structures in mines (faults, dykes, pillars, abutments) fail when the load exceeds the strength. If the loading system stiffness (LSS, also referred to as the ‘local mine stiffness’) is lower th

    Jan 1, 2003

  • SAIMM
    Behaviors of groundwater flow in the vicinity of a HLW repository

    By Y. Hwang, C Kang

    To understand the effect of thermal loading from HLW on the groundwater flow nearby, the coupling of TH in an equivalent porous medium is studied. Results indicate that under given conditions the alte

    Jan 1, 2003

  • SAIMM
    The development of techniques to predict and manage the impact of surface subsidence

    COALTECH 2020 initiated a research project to provide the coal mining industry with a modelling tool to determine the expected types of subsidence, risks and the investment required in post-closure fu

    Jan 1, 2003

  • SAIMM
    Evaluation of four layouts for gold mining at a depth-range of 3500 and 5000 m

    By S. Budavari, F. M. C. C. Vieira

    For several decades, the deep, gold-bearing reefs of the Witwatersrand basin have been mined predominantly according to layouts characterised by longwalls with strike pillars to provide regional suppo

    Jan 1, 2003

  • SAIMM
    Viscoplastic behaviour of and damage to rock related to the design of underground waste depository cavities

    By A. Bouvard, N. Hoteit, E. Boidy, F. Pellet

    In the context of the construction of an Underground Research Laboratory devoted to the feasibility studies of radioactive waste deposits, it appears of the utmost importance to study the long-term be

    Jan 1, 2003

  • SAIMM
    Quantification of uncertainties in geological modelling of kimberlite pipes

    By D. Farrow

    Future development of kimberlite mines is now focused on mining at deeper levels. The consequences are increased difficulty and costs of the mining operations. The decisions on investments require acc

    Jan 1, 2003

  • SAIMM
    Probabilistic Determination of Rock Mass Behavior and Support of Tunnels

    By M. Pötsch, W. Schubert, A. Goricki

    Geological and geotechnical data are essential for the design of tunnels. To determine the rock mass behavior and the support of a planned tunnel excavation a consistent method for rock mass character

    Jan 1, 2003

  • SAIMM
    Knowledge in—Money out, redefining mine planning and scheduling standards to improve and stabilize business performance

    By M. Arnesen

    Mining professionals recognize the need to continuously evaluate and refine mine planning standards and scheduling. We must examine our current reality, and evaluate the following: •How well do our p

    Jan 1, 2003

  • SAIMM
    Effect of discontinuity orientation and spacing on the blasting performance in some open cast mines of TKI•-Turkey

    By H. A. Bilgin, A. Özgenog?lu, G. Kaçar

    In this study, the influences of rock mass properties on the blasting performance in open cast mines are investigated. To this end, discontinuity spacings and discontinuity orientations are measured a

    Jan 1, 2003

  • SAIMM
    An online expert for industrial minerals processes

    By D. G. Hulbert, D. J. Oosthuizen, D. de V. van der Spuy

    Expert Online, as a software system, is aimed at providing plant operators in the minerals industry with effective training and on-the-job assistance. It incorporates a number of features to achieve t

    Jan 1, 2003

  • SAIMM
    Location of the center of an endogenous fire on flat seams of the southern Kuzbass (Russia, Siberia)

    By D. Yu Pleev, V. G. Krivolapov

    Mines of Southern Kuzbass working out, basically, coal formations of flat seams. Seams, as a rule, are inclined to self-ignition. Detection at early stages of the centers of endogenous underground fir

    Jan 1, 2003

  • SAIMM
    Improvement In Ventilation In A Fire Affected Mine

    By N. Sahay

    Improvement in work place environment by conventional methods viz., installation of higher capacity fan, fans in parallel operation or booster fan is a risky proposition in many coal mines in India be

    Jan 1, 2003

  • SAIMM
    Strength and mechanics of fractured rocks under triaxial loadings

    By A. M. Hefny, F. P. Siew, P. G. Ranjith

    Fracture initiation and propagation, being one of the most intensive subjects in rock mechanics; contribute significantly to the deformation of jointed rock masses. An experimental study on fractured

    Jan 1, 2003

  • SAIMM
    Evaluation of dynamic grouting effect for Low-permeable rock

    By S. Wakita, K. Aoki, Y. Mito, K. Date

    It is of great importance to prevent a leakage of hazardous substances from underground storage plants, because this certainly leads to a fatal disaster for human societies. Therefore, effective grout

    Jan 1, 2003

  • SAIMM
    Volume changes in sandstone under true triaxial compression conditions

    By M. Kwasniewski, M. Takahashi

    Prismatic samples of a medium-grained sandstone from Slask Colliery (Upper Silesian Coal Basin, Poland) were tested under uniaxial compression, conventional triaxial compression and true triaxial comp

    Jan 1, 2003

  • SAIMM
    A review of information on the influence of plan curvature on rock slope stability and its effect on the volume of wedge failures

    By R. Armstrong

    The stability of rock slopes is significantly influenced by their curvature in plan view. The importance of this in open pit mining is indicated by the fact that, in a deep pit, steepening of the slop

    Jan 1, 2003

  • SAIMM
    Predication of P-wave transmission across a rock fracture with a dynamic normal behavior

    By X. B. Zhao, J. G. Cai

    The purpose of this paper is to incorporate the dynamic BB model of rock fracture normal behaviour into Universal Distinct Element Code (UDEC), and to conduct UDEC modelling to predict stress wave pro

    Jan 1, 2003

  • SAIMM
    The anisotropic nature of selected metamorphic rocks from Greece

    By P. Marinos, G. Tsiambaos, H. Saroglou

    Anisotropy is a characteristic of intact foliated metamorphic rocks (slates, gneisses, phyllites, schists). ?esting was used to establish the anisotropic behaviour of selected gneissic rocks. The effe

    Jan 1, 2003

  • SAIMM
    Design and development of a low noise rockdrill

    By R. W. Ottermann, N. D. L. Burger, A. J. von Wielligh, P. R. de Wet, J. L. Steyn

    A low noise blast hole drilling system was developed to limit the risk of noise induced hearing impairment in mining operations. Noise induced hearing loss has been identified as a major occupational

    Jan 1, 2003