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  • SAIMM
    Basic Principles For Stable Gullies In The Gold And Platinum Mines Of South Africa

    Gullies are the vital in-stope excavations that provide access for mining personnel and material to, and mined ore from, the producing faces in the tabular hard rock mines. They pose a serious proble

    Jan 1, 2002

  • SAIMM
    Clustering-based iterative approach to stope layout optimization for sublevel stoping

    By M. Kumral, Y. A. Sari

    Underground mining operations tend to have higher operating costs than surface mines. When metal prices decrease, profitability is jeopardized due to the high costs. Therefore, mining management harne

    Mar 1, 2021

  • SAIMM
    Enhancement of Profitability of Central African Copperbelt Operations using Direct Cobalt Electrowinning Process

    By N. Mulaudzi, S. Archer

    "Direct cobalt electrowinning was developed to produce unrefined cobalt metal as an alternative to producing a mixed hydroxide product (MHP), which is the common cobalt intermediate product in African

    Jan 1, 2015

  • SAIMM
    Assessment of vibration exposure of mine machinery operators at three different open-pit coal mines

    By A. Tekin

    In almost all branches of industry, machinery and equipment in operation cause vibration. Some sources of vibration affect only the operator’s hands, fingers, and arms, while others have adverse effec

    May 2, 2022

  • SAIMM
    The Balancing Act Of Size Vs. Cost Vs. Practicality

    By Org de Wet

    This paper summarises the strategy for selection between a two module coal plant incorporating large, but less equipment, and a three module coal plant with more but smaller equipment. The two options

    Jan 1, 2006

  • SAIMM
    Density – A contentious issue in the evaluation and determination of Resources and Reserves in coal deposits

    By L. Roux

    The initial evaluation of a coal deposit often raises uncertainty with regard to the accuracy of the reported Resources and Reserves. Reconciliation of results from mining and beneficiation with the o

    May 1, 2021

  • SAIMM
    Evaluating the potential drilling success of exploration programmes using a three-dimensional geological model – A case study

    By R. K. W. Merkle, F. A. S. Reyneke, Z. Harris, P. W. J. Delport

    The technological advancements in computing power in the last 30 years have enabled the practical visualization of complex geological environments in three-dimensional (3D) space. 3D models and their

    Feb 2, 2022

  • SAIMM
    An Evaluation of the Thermal Fatigue Performance of Three Alloys for Casting Mould Applications

    By V. van der Merwe, C. W. Siyasiya

    "A petrochemical company experiences premature thermal fatigue failure of the casting moulds used in catalyst production. The aim of the project was to find an alternative alloy that would outperform

    Jan 1, 2016

  • SAIMM
    Accretion formation on the refractory lining during the melting of ferrosilicon

    By A. M. Garbers-Craig, T. Coetsee, T. M. Nemavhola

    Accretions often form in furnaces when slag and charge materials attach to the refractory wall and build up over time. Accretion formation is usually unwanted because it reduces the working volume of

    Feb 2, 2021

  • SAIMM
    An Evaluation Of The Internal Application Of Pipeline Linings/Coatings - 1 Introduction

    By L C. Pretorius

    Pipe pigging is a technique for the in situ (field) coating application, to create a seamless internal anti-corrosive lining of long pipelines. The technology originated in the cleaning of pipes, and

    Jan 1, 2006

  • SAIMM
    Seismic Monitoring Of A Simulated Rockburst On A Wall Of An Underground Tunnel

    By A. M. Milev

    A simulated rockburst was conducted underground at Kopanang Mine, previously called Vaal Reefs No. 9 Shaft. The rockburst was simulated by means of a large blast detonated in solid rock close to a cro

    Jan 1, 2001

  • SAIMM
    The Use Of Commercial Oxygen Probes During The Production Of High Titania Slags

    By J. M. A. Geldenhuis

    This work is concerned with studying possible reactions in the ilmenite furnace which may control the product quality of both slag and metal. Two different approaches were followed: comparing actual f

    Jan 1, 1999

  • SAIMM
    The Evaluation Of The AAC Pump-Cell Circuits At Anglogold?s West Wits Operations

    By J. Rogans

    This paper discusses the comparative performances of the three activated carbon adsorption circuits at the West Wits operations of Anglogold. These circuits consist of two pump-cell circuits (at Two P

    Jan 1, 2002

  • SAIMM
    Coupled hydromechanical modelling of surface subsidence in crystalline rock masses due to tunnel drainage

    By C. Zangerl, K. F. Evans, S. Loew

    ABSTRACT: Settlements above fractured crystalline rock masses are rarely observed and in the past, geotechnical engineers would not expect substantial subsidence to occur in association with a deep tu

    Jan 1, 2003

  • SAIMM
    In-situ stress measurements in an underground oil storage cavern using hydro-fracturing and overcoring methods

    By S. O. Choi, C. Park, C. Sunwoo

    Two methods of stress measurements have been executed on the surface and underground to con-struct an oil storage cavern using hydro-fracturing and overcoring method. The first measurement has been pe

    Jan 1, 2003

  • SAIMM
    Keynote Address: Population And Poverty, Energy And Technology: Coal, Mining And A Proper Start For The Century

    By R. L. Lawson

    I?ve been asked to appraise the global role of coal and mining, and the best place I can think of to begin is with the World watch Institute, which purports to monitor all things global. Last fall the

    Jan 1, 2001

  • SAIMM
    Modifications to underground coal mine personnel transport vehicles for mine rescue duties

    By S. L. Bell

    Most Australian longwall coal mines are currently working coal faces up to nine kilometres from the surface. In the event of a mine emergency walking this sort of distance wearing breathing apparatus

    Jan 1, 2003

  • SAIMM
    Dam foundation design considering scattering of its deformability

    By M. Nakamura, T. Akamatsu

    Embankment dams are often constructed on soft rock foundations in Japan, so it is important to precisely predict deformation of the foundations due to fill placement at the design stage. In order to a

    Jan 1, 2003

  • SAIMM
    The Distribution Of Metallic Elements In Granulated Nickel Converter Matte Phases

    By E. L. Thyse

    Keywords: Pyrometallurgy, converter, nickel, matte, distribution Metallic elements occupy a wide range in granulated nickel converter matte phases. The distribution of these metallic elements, pa

    Jan 1, 2011

  • SAIMM
    A comparison between hydraulic and pneumatic rockdrills

    By D. Clement

    A comparison between hydraulic and pneumatic rockdrills by D. CLEMENT The regulation of compressed-air reticulation systems is very poor compared with that of electrical systems; this means that elect

    Jan 3, 1975