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  • SME
    Providing Value through Automation in the Mineral Processing Industry (9f2f5a3b-8906-47ff-94dc-f8bf875d5560)

    By R. E. Cook

    "Mineral deposits require substantial amounts of energy to transport and be processed into usable form and, as such, present a real processing challenge in that the deposits are never homogeneous and

    Jan 1, 2015

  • CIM
    Managing Technology Risk

    By Chris Twigge-Molecey, John Peacey

    To meet the business objectives of a metallurgical project, there is often a need for new and untried technology or equipment, whose very novelty can present serious risks to meeting those objectives.

    Jan 1, 2015

  • SAIMM
    Tough choices facing the South African mining industry

    By W. van Antwerpen, J. Guzek, A. Lane

    Strategy is about making choices. Mining companies choose to do certain things and not to do other things. Mining is a long-term business, and the choices made typically have large investments attache

    Jan 1, 2015

  • SME-ICGCM
    The Science of Empirical Design in Mining Rock Mechanics

    By Christopher Mark

    "Many problems in rock mechanics are limited by our imperfect knowledge of the material properties and failure mechanics of rock masses. Mining problems are somewhat unique, however, in that plenty of

    Jan 1, 2015

  • CIM
    Numerical Modelling of Fold-Related Fractures

    By Mohamed Sassi, I. Kolo, R. L. Sousa, R. K. Abu Al-Rub, Manhal Sirat

    "Fractures induced by folds are pivotal in hydrocarbon exploration, ground water transport and harnessing of geothermal energy. This is because of the need to predict and understand fracture propagati

    Jan 1, 2015

  • CIM
    From Liability to Valuable Resource - Water in the Mining Industry

    By A. Makinen

    There is an increasing trend between increasing consumption of water and the production of metal concentrate. Along with this trend we see that ore grades are declining and getting more complex to con

    Jan 1, 2015

  • SAIMM
    Feasibility study of electricity generation from discard coal

    By A. Engelbrecht, B. North, B. Oboirien

    "There is large electricity generation potential in discard coal, both in stockpiles and current arisings. Power stations with a combined capacity of up to 18 GW electrical (GWe) could be fuelled by d

    Jan 1, 2015

  • DFI
    Evergreen Line Rapid Transit Project: Analysis and Design of Deep Soil Mix Panels to Mitigate Seismic Lateral Spreading

    By E. Naesgaard, Brian E. Hall, A. Amini, Advanced Geosolutions, A. Azizian

    "A 2 km section of the Evergreen Line Rapid Transit Project is supported on improved ground consisting of cement deep soil mix (CDSM) panels because of highly variable and challenging soil conditions,

    Jan 1, 2015

  • CIM
    Experimental Study on the Damage and Failure Properties of Rock-Like Material with Pre-Existing Double Flaws under Uniaxial Compression

    By Chunfeng Zhao, Chong Bao, Cheng Zhao, Jiashen Tian, Matsuda Hiroshi

    "Based on digital image correlation (DIC) method and self-developed code, the global strain field changing and failure properties of rock-like materials with pre-existing double flaws are experimental

    Jan 1, 2015

  • SME
    Direct Cyanidation and Roasting Combination of a Semi-Refractory Massive Sulfide Ore

    By P. Karimi, A. Akcil, A. Amini, H. Abdollahi

    "In this study, cyanidation experiments were carried out on a massive sulfide ore sample, whose grades of the precious metals gold and silver were found to be 4.2 g/t and 311.9 g/t, respectively. Othe

    Jan 1, 2015

  • CIM
    In-Mine Measurements and Analysis of Ground Movements while Crossing a Geologic Fault Using a Longwall Mining Method

    By Joseph Hirschi, Behrooz Abbasi, Harrold Gurley, Yoginder P. Chugh

    "The research goal was to assess if analytical tool/s can be developed to quantify displacements around a geological fault as longwall face moves toward it and past it. A company was faced with crossi

    Jan 1, 2015

  • SME
    Going Green with Mobile Mining Equipment (6ff433b9-54e4-4ebc-90fb-8f4714515264)

    By J. Gibson

    "INTRODUCTION As one of the most pressing and important political debates of this century, climate change has captured global attention and is forcing governments to take action towards decreasing GHG

    Jan 1, 2015

  • DFI
    Long-Term Performance of a Deep Mixed Column-Wall at Arabianranta Area (Helsinki, Finland)

    By Leena Korkiala-Tanttu, Ilkka Vähäaho, Juha Forsman, Paavo Lahdenperä, Kalle Rantala, Osmo Korhonen

    "District of Arabianranta (Helsinki, Finland) has been founded on an old seabed, which was filled with miscellaneous soil materials. The subsoil consists of very low shear strength clays and organic c

    Jan 1, 2015

  • CIM
    Effect of Porosity on the Tensile Properties of Die Cast Aluminium A360

    By Gheorghe Marin, Franco Chiesa, David Levasseur, Bernard Duchesne

    Over the past 20 years, pressure die casting has evolved to a point where structural parts can now be produced by this process. This has been made possible by the development of vacuum die casting and

    Jan 1, 2015

  • DFI
    Investigating Reinforcing Effects of Soil-Cement Columns in Liquefiable Sand Using Dynamic Centrifuge Tests

    By C. Guney Olgun, Mohammad Khosravi, Daniel W. Wilson, Deepak Rayamajhi, Scott A. Ashford, Shuji Tamura, Ross W. Boulanger

    "Dynamic centrifuge tests were performed on unimproved and improved soil with soil-cement column models. The reinforcing effect of isolated soil-cement columns for reducing liquefaction potential and

    Jan 1, 2015

  • CIM
    Experience of the Oxygen Bottom-Blown Converter in Posco

    By C. S. Ha, H. S. Choi, D. Y. Shin

    POSCO installed a new 100 ton oxygen bottom-blown converter in 2013 for the development of new steelmaking process named as PS-BOP which is reading POSCO-Saarstahl Basic Oxygen Process. This process w

    Jan 1, 2015

  • SAIMM
    Fluorine: A Key Enabling Element in the Nuclear Fuel Cycle

    By P. L. Crouse

    "SynopsisFluorine – in the form of hydrofluoric acid, anhydrous hydrogen fluoride, elemental gaseous fluorine, fluoropolymers, volatile inorganic fluorides, and more – has played, and still plays, a m

    Jan 1, 2015

  • DFI
    Construction of Long Deep Mixing Columns by Low-Height Rig

    By Shigenori Horikawa, Nobutaka Tanaka, Toshiro Hara, Kengo Yamamoto

    "The CDM-LODIC method(Low Displacement and Control method), a modified the CDM(Cement Deep Mixing) method, reduces the ground displacement through the removal of in-situ soil equivalent to the amount

    Jan 1, 2015

  • DFI
    Instrumented Pile Load Tests on ACIP Piles for a Real Estate Project in Kolkata-A-Case Study

    By Krishnendu Mandal

    "For a multi-story building project in Kolkata, a pile load testing program was conducted to minimize pile performance uncertainty resulting from variable subsurface conditions and to verify the pile

    Jan 1, 2015

  • CIM
    Onkalo – Underground Rock Characterization Facility for In-Situ Testing for Nuclear Waste Disposal

    By E. Johansson, T. Siren, K. Kemppainen

    "As part of the preparations for the design of an underground repository for radioactive waste at Posiva’s Olkiluoto site on the west coast of Finland, there has been considerable site investigation w

    Jan 1, 2015