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  • SME
    An Overview Of The Risk Of Lung Cancer In Relation To Exposure To Asbestos And Of Taconite Miners

    By Geoffrey Berry

    Exposure?response relationships between the relative risk of lung cancer and quantitative measures of exposure to asbestos are available from a number of epidemiological studies. Meta-analyses of thes

    Jan 1, 2007

  • SME
    Ventilation: Understanding The Factors Affecting Air Resistance And Their Implications On Mine Operating And Capital Costs

    By H. C. Seeber

    When considering all the aspects of a viable mine plan, it is important to estimate the accurate cost of mine ventilation, which varies as a function of airway dimensions, fan selection and ventilatio

    Jan 1, 2002

  • SME
    Mining Applications Of Small Disc Cutters

    By J. E. Friant

    Until 1956, drill and blast was the only way to excavate rock. In that year, a tunneling machine using disc type cutters economically bored a small Toronto tunnel. Its amazing 105 ft/day set a new w

    Jan 1, 2002

  • SME
    Application Of The Split-Online Sag Feed Size Analyzer At P.T. Freeport Indonesia

    By A. Supomo, A. Partanen, M. Mular

    Although many SAG operators may agree that on-line measurement of SAG feed-size is an attractive notion, applying this information in a control strategy that recovers the investment, engineering time,

    Jan 1, 2001

  • SME
    Very White Commercial Grade Muscovite Mica From A New Sedimentary Source

    By D. M. Avant, S. M. Pickering

    A variety of grades of very white muscovite mica are now being produced from sedimentary sands and clays in Central Georgia. The mica is naturally concentrated near the base of the lens-shaped kaolin

    Jan 1, 2002

  • SME
    Support Of The Leipzig City—Tunnel Extension Using A Tie-Back Supported Freeze Wall

    By Helmut Hass, Michael B. Gilbert

    The extension of the commuter railway system (S-Bahn) in Leipzig, Germany willrequire the construction of an underground line crossing the downtown area of thecity to tie the Bavarian Station in the S

    Jan 1, 2007

  • SME
    EPB Tunneling in Canada

    By Laura McNally

    In 2006 McNally International Inc. in a Joint Venture partnership with Aecon Constructors was the successful bidder on two York Region Tunnel Projects: Bathurst Collector/Langstaff Trunk Sewers; and Y

    Jan 1, 2008

  • SME
    Regulatory Toxicology And Pharmacology - Introduction - International Symposium On The Health Hazard Evaluation Of Fibrous Particles Associated With Taconite And The Adjacent Duluth Complex

    This international symposium was convened to assess the current state of knowledge concerning the health hazards that might be associated with the ingestion and inhalation of fibrous particles produc

    Jan 1, 2008

  • SME
    The Regulation of Subsidence and Underground Coal Mining in Illinois

    By Paul J. Ehret

    With the passage of the Surface Mining Control and Reclamation Act (SMCRA), and the implementation of state permanent programs, underground coal mining operations are for the first time subject to gov

    Jan 1, 1986

  • SME
    Analyses Of Tunnel Stability Under Dynamic Loads

    By B. Oraee

    Tunnels as any other structures are affected by different loads and stresses. Generally, the loads on tunnels consist of both static and dynamic loads. These loads must both be considered in the tunne

    Jan 1, 2011

  • SME
    Signal Processing With Wavelet Transform For In-Seam Seismic Based Mine Void Detection Technique

    By M. Ge

    Signal processing is a major challenge for In-Seam Seismic (ISS) technique. Fourier Transform is an important tool for signal processing such as frequency analysis. However, for ISS signal, localized

    Jan 1, 2007

  • SME
    Pillar And Roof Bolting Design Under Conditions Of Weak Roof And Multi-Seam Interaction - A Case Study

    By Y. Q. Zhang, S. S. Peng

    Numerical modeling was used to design the pillars and bolting plan for a mine with weak roof and multi-seam stress condition. Previous mining experience, pillar/roof yielding and in-situ horizontal st

    Jan 1, 2004

  • SME
    Maximizing Value By Protecting Your Intellectual Property Assets ? Introduction

    By S. E. Chetlin

    In the mid-1970?s, the market value of tangible assets of S&P 500 companies far outstripped the value of intangible assets, including intellectual property (e.g., 83% tangible assets v. 17% intangible

    Jan 1, 2012

  • SME
    Underground Mine Air and Strata Temperature Change Due to the Use of Refuge Alternatives

    By M. A. Reyes, L. Yan

    Heat and humidity buildup within refuge alternatives (RAs) may expose occupants to physiological hazards such as heat stress. The Mine Safety and Health Administration (MSHA) regulations require RAs i

    Nov 22, 2019

  • SME
    Mineralogical Examination Of Carbonates In The Crandon Tailings

    By K. P. Black, G. W. Sevick, D. E. Hockley, K. S. Sexsmith, J. T. Chapman

    Mineralogical analyses of carbonates in depyritized tailings and pyrite concentrate (from depyritization of the tailings) were completed as part of the tailings characterization for the Crandon Projec

    Jan 1, 2002

  • SME
    Silica Dust Sources In Underground Metal/Nonmetal Mines - Two Case Studies (b311d9b0-a7c4-4e80-9fbb-e293d45f1daa)

    By R. H. Grau

    NIOSH’s Pittsburgh Research Laboratory is currently involved in research to identify silica dust generation in underground metal/nonmetal mines. The ultimate goal of this research is to develop con

    Jan 1, 2002

  • SME
    The Application Of Bulk Emulsion Explosives In Tunneling And Drift Rounds

    By David A. Smith

    A new generation of reliable, stable, and easy to use bulk emulsions allowing application in tunneling and drift rounds has been developed. This new product group of bulk emulsions has been especially

    Jan 1, 1987

  • SME
    Planning and Construction of the Metro Gold Line Eastside Extension Tunnels, Los Angeles, California

    By Jim Richards, Eli Choueiry, Brett Robinson, Amanda Elioff

    The Los Angeles Metro Gold Line Eastside Extension (MGLEE) extends Metro’s light rail system to the densely populated and growing East Los Angeles communities. Much of the 6 mile alignment consists of

    Jan 1, 2007

  • SME
    Geologists Add Value at Newmont’s Nevada Mines – Part One

    By Wayne Trudel, Lloyd McEvers, Lori Clarke, Eric Saderholm, Charles Lynn Bolin, Leroy Schutz

    Newmont mine geologists in Nevada are most proficient when applying technical expertise with multi-departmental teams in three main settings. The first is value creation through near-mine discovery, d

    Jan 1, 2004

  • SME
    Strong Programming, Optimism Seen at SME’s Annual Meeting

    By Tim O’Neil

    Upbeat, surprisingly so, might describe the mood at the2002 SME Annual Meeting and Exhibit in Phoenix, AZ. More than 4,000 mineral professionals gathered for three days of education, networking and p

    Jan 1, 2002