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  • SAIMM
    Grab sampling for underground goldmine grade control ? Synopsis

    Geologists in some underground gold mines collect grab samples from broken ore piles or trucks as a method of grade control. It is often known as muck sampling. Generally, the goal of grab sampling is

    Jan 1, 2010

  • SAIMM
    Monte Carlo Simulation Of Pt-Al Thin Film Diffusion - Synopsis

    By R. A. Harris

    In this study Pt-Al thin films were prepared via electron beam physical vapour deposition (EB-PVD) with an atomic concentration ratio of Pt25:Al75. These films were heat treated at temperatures rangin

    Jan 1, 2011

  • SAIMM
    Modelling Of Al, Si, Mn And Ti Partition Between Slag And Fe-Ni Alloys

    By S. Witzke, J. Lehmann, H. Gaye

    The modelling work presented here concerns Ni-bearing steels produced by Imphy Ugine Précision. In such grades, the contents of elements such as silicon or titanium must be precisely controlled by sla

    Jan 1, 2004

  • SAIMM
    Presidential Address: Coal - An Industry In Change

    By M. H. Rogers

    Coal has been at the forefront of mankind?s drive to improve his quality of life and also for sustainable development, from the Industrial Revolution onwards. The international coal industry today is

    Jan 1, 1999

  • SAIMM
    Microscopic Analyses of Bushveld Complex Rocks under the Influence of High Temperatures

    By G. O. Oniyide, H. Yilmaz

    The South African platinum mines in the Bushveld Complex (BC) have unique features that distinguish them from the gold mines. They have a higher horizontal stress closer to the surface, lower occurren

    Jan 1, 2016

  • SAIMM
    Prediction of the geological condition ahead of the tunnel face in TBM tunnels by geostatistical simulation technique

    By K. Aoki, Y. Mito, S. Shirasagi

    The authors developed the TBM Excavation Control System (the TBM Navigator), in order to realize the advanced observational construction. During the excavation using this system, the rock strength val

    Jan 1, 2003

  • SAIMM
    CFB technology provides solutions for reducing CO2 emissions ? Synopsis

    By V. Bari?ic

    The scheduled power cuts of early 2008 were a disturbing reminder that South Africa needs to expand its power-generating capacity. Low-grade and discard coals, of which South Africa has much, are a so

    Jan 1, 2009

  • SAIMM
    Glow Discharge Optical Emission Spectroscopy: a General Overview with Regard to Nuclear Materials

    By S. J. Lötter, J. T. Nel, W. Purcell

    "SynopsisGlow discharge optical emission spectroscopy (GD-OES) is an analytical technique used in the analysis of solid, conducting materials. Though primarily of interest as a depth profiling techniq

    Jan 1, 2015

  • SAIMM
    Slags In Ferroalloys Production - Review Of Present Knowledge (f01c7cff-4c9e-4dc5-bcb8-bf27e2621293)

    By L. Holappa

    Ferroalloys like FeCr and FeMn are mostly produced in submerged electric arc furnaces. Typical of these processes is that the amount of slag is quite high. The role of slag for the process is thus ess

    Jan 1, 2004

  • SAIMM
    Excavation simulation for information-oriented construction of large powerhouse caverns at depth

    By J. Xiao, Y. Jiang, Y. Tanabashi, Z. Song

    Modelling the effect of blasting-caused damage, anisotropy of rock masses and excavation sequence on deformational behaviour and stability of large-scale underground caverns is important in the design

    Jan 1, 2003

  • SAIMM
    Importance of pore pressure monitoring in high walls - Synopsis

    By K. L. Morton

    Groundwater and associated pore pressure represent elements that can have a negative impact on surface mining and slope stability. Groundwater flow and deformation within a slope influence each other.

    Jan 1, 2008

  • SAIMM
    Analysis of rock avalanches generated by large planar rock slides by means of numerical methods for discontinua

    By R. Ribacchi, P. Tommasi, C. Consorti, P. Campedel

    The runout of dry blocky rock avalanches produced by planar rockslides affecting a limestone formation with clayey interbeds is analysed by means of distinct element modelling. Numerical analyses are

    Jan 1, 2003

  • SAIMM
    Comment On The Paper ?Strong Ground Motion And Site Response In Deep South African Mines?, By S.M. Spottiswood And A. M. Milev - In The Journal Of The SAIMM, Vol. 105, No. 7, Pp. 515?524

    In their excellent paper, Milev and Spottiswoode have provided quantitative and definitive descriptions of an important phenomenon that hitherto has been largely the subject of conjecture. They conv

    Jan 1, 2006

  • SAIMM
    Large-Scale Design And Testing Of An Improved Fine Coal Dewatering System ? Synopsis

    By M. Le Roux

    Fine coal (-500 µm) is notoriously difficult to dewater. It is not uncommon for a dewatered product to have a moisture content as high as 30 per cent after vacuum filtration. This poses several handli

    Jan 1, 2012

  • SAIMM
    Oxidation state of titanium in CaO-SiO2-TiOxslags at 1873K

    By P. Gonzalez, C. Ariyo, L. Holappa

    Oxidation state of titanium was determined in CaO-SiO2-TiOxslags in the composition range25–53 per cent CaO, 27–46 per cent SiO2, 10–55 per cent TiOxat 1873K using gas equilibration method. In the

    Jan 1, 2004

  • SAIMM
    Masjed-e-Soleiman HEPP, Iran Rock Engineering Investigations, Analysis, Design and Construction

    By F. B. Samani, B. Stabel

    The 1,000 MW Hydro Power Station Masjed-e-Soleiman (formerly called Godar-e-Landar) in Iran is under construction since 1992. The rock engineering aspects of the major underground structure, i.e. the

    Jan 1, 2003

  • SAIMM
    Large-Scale Design And Testing Of An Improved Fine Coal Dewatering System - Synopsis (0b7ce52d-2bd9-4f5e-84a7-9ce2b2e08562)

    By M. Le Roux

    Fine coal (-500 µm) is notoriously difficult to dewater. It is not uncommon for a dewatered product to have a moisture content as high as 30 per cent after vacuum filtration. This poses several handli

    Jan 1, 2012

  • SAIMM
    A Model To Predict The Performance Of Roadheaders Based On The Rock Mass Brittleness Index - Synopsis

    By A. Ebrahimabadi

    Roadheaders are very versatile excavation machines used in tunnelling, mine development, and mine production for soft to medium strength rock formations. Performance prediction is an important factor

    Jan 1, 2011

  • SAIMM
    The Importance Of Coal - And Coke Properties In The Production Of High Silicon Alloys

    By T. Lindstad, V. Myrvågnes

    In the production of high silicon alloys, carbonaceous materials like coal, coke, charcoal and woodchips are utilized as reducing agents. Primarily based on historical prices of charcoal compared to f

    Jan 1, 2007

  • SAIMM
    Critical investigation into the problems surrounding pillar holing operations

    By L. Mpolokeng, J. P. Labuschagne, H. Yilmaz

    "An investigation into pillar cutting was carried out at a platinum mine on the western limb of the Bushveld Complex. The focus was on crush pillar design and implementation in order to ultimately imp

    Jan 1, 2015