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  • SAIMM
    Truck dispatching in surface mines – Application of fuzzy linear programming

    By H. Askari-Nasab, S. Upadhyay, A. Moradi-Afrapoli

    Material handling in surface mines accounts for around 50% of the operational cost. Optimum truck dispatching plays a critical role in the reduction of this operational cost in truck and shovel surfac

    Sep 1, 2021

  • SAIMM
    Some Aspects Of Laboratory Flotation Of Co-Cu Minerals From Mixed Oxide Ores

    By Antoine F. Mulaba

    Introduction Copper and cobalt oxide mineral deposits formed by the atmospheric weathering of near surface sulphide deposits are commonplace in the Democratic Republic of Congo. The most common ro

    Jan 1, 2005

  • SAIMM
    Effects of two parallel fractures with nonlinear deformational behavior on one-dimensional P-wave propagation

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

    When stress wave propagates through fractured rock masses, the wave will be slowed and attenuated due to the presence of these fractures. If the amplitude of stress wave is large enough to mobilize no

    Jan 1, 2003

  • SAIMM
    Assessment of mass modulus of a weathered argillaceous rock

    By Chris M. Haberfield, Neil D. Benson

    The assessment of overall modulus (or stiffness) of a fractured weak to moderately strong rock mass is a key parameter in the design of civil engineering works in these materials. It also provides th

    Jan 1, 2003

  • SAIMM
    A Risk Consequence Approach To Open Pit Slope Design

    By P J. Terbrugge, O K. H Steffen

    Open pit slope design has conventionally been effected as a bottom up function utilising available geotechnical information. This results in a decision criterion based on Probability of Failure and F

    Jan 1, 2006

  • SAIMM
    O.F.S. Branch, Welkom

    O.F.S. Branch, Welkom Minutes of a Committee Meeting held in the V.LP. Lounge of the Welkom Club on Tuesday, 26th June, 1973, at 5.00 p.m. Present Mr C. J. Isaac (in the Chair), Mr D. A. Smith, Mr G.

    Jan 1, 1974

  • SAIMM
    The Relationship Between The Client, Clients Project Team And The EPCM Project Team

    By C. A. F. Sweet

    The inter-relationship between these parties and the effect on the outcome of the project is often grossly underestimated. There are numerous success stories where the parties have worked as com

    Jan 1, 2005

  • SAIMM
    A study of UG2 pillar strength using a new pillar database

    By D. F. Malan, T. E. Oates

    A recent experimental pillar extraction project at a UG2 bord-and-pillar mine presented a unique opportunity to compile a new pillar database. Currently, the South African hard rock bordand- pillar mi

    May 3, 2023

  • SAIMM
    Metal Accounting In The Platinum Industry: How Effective Is It?

    The AMIRA Code of Practice and Guidelines for Metal Accounting was developed in response to demand from a number of sponsor companies, including one major platinum producer. Since its publication in

    Jan 1, 2012

  • SAIMM
    Comparing the Extent of the Dissolution of Copper-Cobalt Ores From the DRC Region

    By S. Stuurman

    Inorganic acids such as sulphuric acid have found use together with certain reducing agents in leaching of copper-cobalt oxide ores. These reagents are not ideal due to the adverse effect the inorgani

    Jan 1, 2014

  • SAIMM
    Experiences with a methodology for determining pillar conditions

    By H. Wagner

    During the last few years a large number of pillars in different mines were investigated. Pillar conditions were evaluated using subjective, empirical, geophysical and numerical methods. A critical co

    Jan 1, 2003

  • SAIMM
    An engineering classification for rocks and rock masses

    By T. Ramamurthy

    ABSTRACT : Rock mass classifications RMR, Q and GSI do not suggest decreasing modulus ratio with the decrease in the quality of rock. These have been linked to joint factor, Jf , for better predictio

    Jan 1, 2003

  • SAIMM
    Strategic Outsourcing And The Degree To Which It May Support The Successful Growth Of The Zambian Copper Mining Industry

    By Christian Heili

    In 1991 the Government of the Republic of Zambia passed legislation providing for the privatisation of Zambia Consolidated Copper Mines Limited (ZCCM). The newly formed Mining Companies, established a

    Jan 1, 2005

  • SAIMM
    Copper slag as a potential source of critical elements - A case study from Tsumeb, Namibia

    By S. Lohmeier, D. Gallhofer, B. G. Lottermoser, T. Schirmer

    At a time of resource consumption, it is important to study the chemical composition of mining and metallurgical wastes to prevent the dissipative loss of metals and metalloids from the mining value c

    Mar 1, 2021

  • SAIMM
    Research on visual simulation of coupled solid deformation and gas leak flow in parallel coal seams

    By P. Sun

    Abstract: From the viewpoint of interaction mechanics of solid and gas, a coupled mathematical model is presented for coal/rock mass deformation and gas leak flow in parallel deformable coal seams. Nu

    Jan 1, 2003

  • SAIMM
    A Proposed Method of Dynamic Ore Reserve Assessment for a Caving System of Mining

    By A. F. Spinks, S. P. Nicholls

    "The Lower Orebody at Chingola Division of Nchanga Consolidated Copper Mines, Limited, is a stratified orebody that is mined by a continuous caving system. The accurate determination of the developed

    Jan 1, 2014

  • SAIMM
    Burning Pyrites Compared To Sulphur 2009

    By W. V. Mutler

    Present day capital costs are analyzed for a 2,000 metric tonne per day (MTPD) pyrite burning plant and compared with a sulphur burning plant of the same capacity. Power, raw material and steam produ

    Jan 1, 2009

  • SAIMM
    Developing New Approaches To Rock Slope Stability Analyses

    By J. R. L. Read, A. N. Ogden

    This paper describes mining industry funded research that is being undertaken to address the critical gaps and uncertainties in our knowledge so that we can develop new approaches and create more effe

    Jan 1, 2006

  • SAIMM
    Burning Pyrites Compared To Sulphur 2009

    By W. V. Mutler

    Present day capital costs are analyzed for a 2,000 metric tonne per day (MTPD) pyrite burning plant and compared with a sulphur burning plant of the same capacity. Power, raw material and steam produ

    Jan 1, 2009

  • 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