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  • SAIMM
    Numerical Computation Of Average Pillar Stress And Implications For Pillar Design - Synopsis

    A number of issues relating to the computational aspects of pillar design are addressed in this paper. The computation of average pillar stress values is important when attempting to establish criteri

    Jan 1, 2011

  • SAIMM
    Review Of Mud Rush Mitigation On Kimberley?s Old Scraper Drift Block Caves

    By A. Holder

    A major mud push occurred on the 870 m production level, scraper drift block cave at Dutoitspan diamond mine in November 2011, during which it is estimated that more than 4 400 m3 of mud engulfed the

    Jul 1, 2013

  • SAIMM
    Effect of titanium content on solidification structure of ferritic stainless steel gas–tungsten and gas–metal arc welds

    By L. S. Linda, P. G. H Pistorius

    Ferritic stainless steel is utilized to fabricate automotive exhaust systems using a ferritic weld metal. Ductility of the weld metal is higher if its microstructure contains a significant proportion

    Jul 2, 2022

  • SAIMM
    Flotation flowsheet for eliminating pyrite in tailings: a cleaner production solution, Y.L. Botero, L.A. Cisternas, L. Cortes, and A. Lopez-Valdivieso

    By L. A. Cisternas, A. Lopez-Valdivieso, Y. L. Botero, L. Cortes

    In the processing of sulfidic ores, pyrite is usually depressed and ends up in the tailings. However, pyrite is the most common species responsible for acid mine drainage (AMD) due to its spontaneous

    Jan 1, 2020

  • SAIMM
    Synthesis of 2-(tert-butoxy)ethyl xanthate and its thionocarbamate derivative and their flotation performance, to chalcopyrite Q. Lin, S. Wang, and H. Zhong

    By H. Zhong, S. Wang, Q. Lin

    To improve the flotation performance of chalcopyrite collector, 2-(tert-butoxy)ethyl xanthate (TBEX) and its derivative O-(2-(tert-butoxy)ethyl)-N-ethyl-thionocarbamate (TBEETC) were designed and prep

    Jan 1, 2020

  • SAIMM
    An Analysis of the True Rate of Return Project Evaluation Criterion

    By M. M. Hajdasinski

    The internal rate of return (IRR) is one of the most popular project evaluation criteria in the mineral industry, as well as in other industrial sectors. Analysis of its assumptions reveals, however,

    Jan 1, 1987

  • SAIMM
    Numerical simulation of large-scale pillarlayouts

    By D. F. Malan, J. A. L. Napier

    A number of shallow coal or hard rock mines employ pillar mining systems as a strategy for roof failure control. In certain platinum mine layouts, pillars are designed to ‘crush’ in a stable manner as

    May 3, 2023

  • SAIMM
    The computational analysis of shallow depth tabular mining problems - Synopsis

    By J. A. L. Napier

    The evaluation of stress distributions and deformations in the vicinity of tabular mine layouts has been carried out routinely for many years using the displacement discontinuity boundary element meth

    Jan 1, 2007

  • SAIMM
    An Open Pit Design Model

    By N. B. Prenn, R. H. Robinson

    "The model described is a design and economic planning tool for analyzing surface mineral deposits. Mineralization, topography, costs and significant geologic features are input to the model. The resu

    Jan 1, 2014

  • SAIMM
    The quantification of cyanide and its reaction products during leaching and cyanide destruction processes

    One of the key issues facing gold producers is the management of cyanide and the implementation of the International Cyanide Management Code. Many operations now use cyanide destruction processes to e

    Jan 1, 2009

  • SAIMM
    Influence of ground motion model selection on seismic hazard for Johannesburg

    By R. J. Durrheim, B. Manzunzu, V. Midzi

    Selecting ground motion prediction models (GMPM) is crucial in assessing seismic hazard levels in a specific region. This study investigates the influence of ground motion model (GMM) selection on sei

    Jan 12, 2025

  • SAIMM
    Re-evaluation of the PlatMine chromitite pillar strength database

    By M. I. Mabala, B. P. Watson, M. J. Kanda

    A failed and stable Upper Group 2 chromitite pillar database was collected in 2007 as part of the PlatMine 1.2 pillar strength project. The database consisted of 177 pillars, of which 33 had failed. M

    Nov 27, 2024

  • SAIMM
    A technique for estimating the sound power level radiated by pneumatic rock drills and the evaluation of a CSIR prototype rock drill with engineering noise controls - Synopsis

    By P. G. Kovalchik

    Overexposure to noise remains a widespread, serious health hazard in the US mining and other industries despite 25 years of regulation. Most categories of illnesses and injuries associated with mining

    Jan 1, 2009

  • SAIMM
    Characterization of additively manufactured AlSi10Mg cubes with different porosities

    By H. Möller, M. Tshibalanganda, C. Taute, A. du Plessis, M. Leary

    Additive manufacturing can be used to produce complex and custom geometries, consolidating different parts into one, which in turn reduces the required number of assemblies and allows distributed manu

    Apr 1, 2021

  • SAIMM
    Ground Control At Leinster Nickel Operations

    By J Cahill, M Lee

    Leinster Nickel Operations, located in Western Australia, consists of an underground and three open pit mines in relatively adverse ground conditions. This paper reviews our ground control practices i

    Jan 1, 2006

  • SAIMM
    Recovery of lithium from spodumene by chlorination roasting, P.F.A. Braga, S.C.A. França, C.P. Pinto, and G.D. Rosales

    By G. D. Rosales, P. F. A. Braga, S. C. A. França, C. P. Pinto

    The growing market demand for lithium is mainly due to its use in the manufacture of batteries for electric or hybrid vehicles and portable equipment (smartphones, tablets, power tools, notebooks, etc

    Jan 1, 2020

  • SAIMM
    Case Study On Quantitative Risk Modelling To Obtain A Realistic Risk-Adjusted Project Valuation

    By G. R. Lane

    A large opencast gold mining company in Africa had just completed a feasibility study for the expansion of the operations. A traditional net present value project valuation methodology had been used t

    Jan 1, 2012

  • SAIMM
    Low Cost Ferroalloy Extraction In DC-Arc Furnace At Middleburg Ferrochrome - Synopsis

    By D. Sager

    Middleburg Ferrochrome (MFC), a company in Samancor Chrome, commissioned a new ferrochrome smelter in March 2009. This is a 60 MW DC-arc furnace with a DC power supply for the smelting of Transvaal ch

    Jan 1, 2010

  • SAIMM
    Investigation of a conveyor belt fire in an underground coal mine: Experimental studies and CFD analysis

    By C. O. Aksoy, G. G. U. Aksoy, A. Fisne, I. Alagoz, E. Kaya

    Coal produced in underground mines is transported to the surface by means of conveyor belts throughout long roadways. The combustion of belts puts a large number of employees at great risk. Undergroun

    Dec 13, 2023

  • SAIMM
    Applied Ergonomics For Operator Compartment Design In An EJC 88 XLP Loader

    By N. D. L. Burger, S. Thorley

    In engineering design of operators? compartments, in underground mining equipment, ergonomics principles are often neglected or not given the full recognition they deserve. This paper defines ergonomi

    Jan 1, 2004