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  • SME
    Structural Conception of an Undercrossing Tunnel Supported by Pipe Canopies: Analytical and Numerical Solutions of a Case Study

    By Vinícius Resende Domingues, André Pacheco de Assis, Bernardo Cascão Pires e Albuquerque

    "The increasing demand for underground works in urban centers, and in particular the need to build undercrossing tunnels, requires constant evolution in building techniques in order to achieve success

    Jan 1, 2016

  • SME
    Electricity And Circulation Fluidized Bed Power Technology

    By Robert Giglio

    Looking back over the last 150 years or so, it is not hard to see that electricity has been a primary force in shaping human development. It has been a basic ingredient in our industrial revolutions

    Jan 1, 2009

  • SME
    Practical Methods Of Shallow Shaft Sinking

    By James J. Brady, Joginder S. Bhore, Robert B. Gordon, Jimmy W. Honeycutt

    The authors of this paper have a combined construction experience of 70 years. They have served as engineers and managers on projects throughout the United States and Canada. Approximately 50 shafts h

    Jan 1, 1985

  • SME
    Extension Of The Geoscience Matrix Method Of Property Valuation To Industrial Minerals

    By D. M. Abbott, H. J. Sandri

    The geoscience matrix method has proven useful for valuing metallic mineral properties lacking delineated mineral resources or reserves. However, the method explicitly excludes commodity markets from

    Jan 1, 2000

  • SME
    Drill & Blast Implementation Case Study at Multiple Freeport-Mcmoran Sites

    By L. Gutierrez, S. Gering, C. Calderon-Arteaga

    "Drill and blast represent the most important, and sometimes the costliest processes in the mine. The cost of drilling and blasting operations greatly contributes to the “high cost trends of the overa

    Jan 5, 2017

  • SME
    Influence of hydrodynamics on preflotation process in flotation machine Mining, Metallurgy and Exploration

    By W. Pawlos, A. Bakalarz, M. Duchnowska

    This paper presents the results of an investigation into the influence of hydrodynamics on a preflotation process for the copper sulfide ore from the Fore-Sudetic Monocline deposits in Poland in a flo

  • SME
    Mining Foundation of the Southwest Honors its 2004 Inductees

    The 22nd Annual American Mining Hall of Fame Awards Banquet sponsored by the Mining Foundation of the Southwest will be held at the Westin La Paloma in Tucson, AZ on Saturday, Dec. 4, 2004. This ye

    Jan 1, 2004

  • SME
    Outburst Of Coal And Gas In Zonguldak Coal Basin Turkey

    By A. Fisne

    Outburst of gas, coal and rock can be defined as sudden release of coal and rock accompanied by large quantities of gas into the working face or other mine workings. The outburst events appeared rarel

    Jan 1, 2012

  • SME
    An Approach to the Classification of Weak Rock for Tunnel Projects

    By Steve Klein

    Weak rock is an important consideration in tunnel design and construction due to the difficult ground conditions that are often encountered. Nevertheless, when conditions are favorable high advance ra

    Jan 1, 2001

  • SME
    An Analysis Of Subsidence Movements Associated With An Abandoned Shallow Room-And-Pillar Coal Mine

    By Yoginder P.

    ACKNOWLEDGEMENTS Authors sincerely appreciate the interest, cooperation and technical support of the coal company management and staff in conducting the study. Without their assistance this study

    Jan 1, 1986

  • SME
    Demonstrating the Financial Impact of Mining Injuries with the Safety Pays in Mining Web Application

    By J. R. Heberger

    "The Safety Pays in Mining web application, developed by the National Institute for Occupational Safety and Health (NIOSH) Mining Program, helps mines determine the potential costs associated with min

    Jan 1, 2018

  • SME
    Mine Stope Coverage Cuts Acid Mine Drainage

    By Joseph J. Feiler

    Historical mining operations in Colorado and other western states have resulted in thousands of remnant mine openings. Many are sources of metals loading and acid water generation in surface and grou

    Jan 1, 2006

  • SME
    Selective Uranium Oxidation During In Situ Leaching

    By T. Y. Yan

    O2, NaCl03, H202, NaOCI and Ce+4 have been examined as oxidants in an alkaline carbonate system for uranium in situ leaching. The South Texas and New Mexico ores contained up to 2.6 meq/g of reducing

    Jan 1, 1993

  • SME
    Whither Mining Engineering Education?

    By J. J. K. Daemen

    Mining Engineering education is in trouble, if not in crisis. The most visible signs are the decrease in the number of programs that offer the degree, and the continued difficulties in attracting stud

    Jan 1, 2004

  • SME
    Prevention Of Frictional Ignitions

    By P. C. Thakur

    Frictional ignitions (also called face ignitions) is defined as the rapid oxidation of a mixture of methane and air with a visible flame that could last from a few seconds to several minutes. These i

    Jan 1, 2006

  • SME
    SAG Mill Pilot Testing Of A High-Clay Silver Ore At Gumuskoy, Turkey

    By A. C. T. Bigg, Y. Kocak, N. K. Bodur

    The Gumuskoy silver mine, owned by the Etibank, in the province of Kutahya, Turkey, has been operating since 1987 with primary, secondary and tertiary crushers, and two parallel single stage ball mill

    Jan 1, 2000

  • SME
    Kaolin and paper : Quality of both products will improve with more sophisticated printing techniques

    By Kenneth J. Hartman

    Introduction The term kaolin is derived from kauling, a Chinese word meaning high ridge. This was the name of a hill in China where kaolin was first mined several hundred years ago (Murray, 1976). Ot

    Jan 4, 1987

  • SME
    Use of infrared sensors for monitoring methane in underground mines

    Federal regulations require the use of methane monitors on all mining machines. All machine-mounted methane monitors currently used in underground coal mines rely on catalytic heat of combustion senso

    Jan 1, 2009

  • SME
    The Development And Commercialization of The Hicom High Intensity Grinding Mill

    By T. A. E. Breen

    A new high intensity grinding technology has been developed and is now being commercialized by Hicom International of Australia. This has led to the development and manufacture of Hicom 120 grinding m

    Jan 1, 1999

  • SME
    Groundwater Inflow into Hard Rock Tunnels: A New Look at Inflow Equations

    By John H. Raymer

    Groundwater inflow into hard rock tunnels is strongly affected by recharge and drawdown of the water table. Previous analytical and empirical methods for estimating inflow have generally not accounted

    Jan 1, 2005