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  • NIOSH
    RI 8811 - Experimental Drift Linings in a Block-Caving Operation-A Field Demonstration

    By W. C. McLaughlin

    Under a cooperative agreement, the Bureau of Mines, Magma Copper Co., and ASARCO, Inc., tested backfilled ground support systems at t.wo elevations in Magma's San Manuel, AZ, mine. The tests were

    Jan 1, 1983

  • AIME
    How to Use the Engineering Societies Library

    By Ralph H. Phelps

    WHAT information do you have on precision investment casting? Please send me all available information on the removal of paraffin from oil wells and pipe lines. How can I find out how to remove magnes

    Jan 1, 1948

  • DFI
    Mechanical Characterization of a Chemically Stabilized Soft Soil Reinforced with Fibers When Subjected to Tensile Solicitations

    By J. M. N. P. C. Teles, Venda Oliveira P. J., Correia A. A. S.

    "AbstractA laboratory work was performed to study the mechanical behavior of a Portuguese soft soil chemically stabilized with binders and reinforced with metallic fibers when subjected to tensile str

    Jan 1, 2014

  • SME
    Technology News – Atlas Copco Wagner Announces Improved 10-t LHD

    Atlas Copco Wagner launched its ST1010 Scooptram load haul dumper. The ST1010 replaces the company’s Wagner ST-1000 Scooptram. The improvements to the Wagner ST1010 include increased reliability, ea

    Jan 1, 2000

  • IOM3
    Analysis by chemical potential diagram of the oxidation of molten silver selenide

    By G. G. Barbante

    An understanding of the thermodynamics of smelting copper anode slimes is a prerequisite for improvements to the process. During slimes smelting, a silver-copper selenide matte is formed and subsequen

    Jun 21, 1905

  • NIOSH
    RI 9272 - Mechanical and Physical Properties of Particulate Composites in the System Titanium Nitride-Alumina-Aluminum Nitride

    By K. J. Liles

    The U.S. Bureau of Mines evaluated the physical properties of ceramic particulate composites made from titanium nitride (TiN), alumina (AI203), and aluminum nitride (AlN) as part of a program to meet

    Jan 1, 1989

  • CIM
    How the Mining Industry is Responding to Pressures for Change in the Management of Mine Waste

    By Don Welch

    Pressures for change ?Land use constraints ?Project financing ?Local communities ?Environmental issues ?Sustainability requirements ?Stricter regulatory procedures ?Technical excellence ?Reduc

    May 1, 2010

  • SAIMM
    Evaluation Of Elastic Deformation Energy In Stone Cutting Of Portuguese Marbles With A Diamond Saw ? Synopsis (1ffa6408-4007-4d02-91f4-3113bfc2ffa0)

    By P. Falcão Neves

    A detailed analysis of the geomechanical behaviour in rock cutting with a diamond saw is provided to obtain a better understanding of the mechanisms involved in the process. The energy of elastic defo

    Jan 1, 2012

  • NIOSH
    OFR-96-83 A Study Of Explosion-Proof Enclosures

    By P. A. Cox

    The purpose of the initial research performed under this contract was to determine the margins of safety in explosion-proof (XP) enclosures, which were designed and certified according to the current

    Jan 1, 1982

  • AUSIMM
    Mineralogy of the Green Leader Gold Ore at Kalgoorlie, Western Australia

    Concentrations of bright green material in the "Golden Mile" of Kalgoorlie, which carry particularly high gold values, are known locally as "green leader".This assemblage consists

    Jan 1, 1977

  • DFI
    Caisson Design And Construction, Upstream Guide Wall, Locks And Dam No. 26

    By E. C. Demsky

    This paper describes the large diameter caisson foundation for the upstream guidewall at the Lock and Dam No. 26 (Replacement) Project. The guidewall is supported on two rows of 1.8-m diameter concret

    Jan 1, 1989

  • NIOSH
    IC 9381 Pyrite Problems In The Coal Mining Industry

    By Yael Miron

    The presence of pyrite (FeS2) in coal can cause or contribute to several problems for the coal mining industry. These problems, which include spontaneous combustion, roof falls, floor heave, and accid

    Jan 1, 1994

  • SME
    Transactions Volume 344 - 2018 - SME Transactions 2018

    By Chee S. Theng

    As the 2018 president of the Society for Mining, Metallurgy & Exploration Inc., I am pleased to present the 2018 issue of the Transactions of the Society for Mining, Metallurgy & Exploration Inc., Vol

    Jan 1, 2018

  • CIM
    International Trade In Minerals and Economic Development

    By M. Sengupta

    International trade in minerals plays a very important role in the economic growth of many nations. Several less developed countries a1•e heavily dependent on their mineral exports for earning foreign

    Jan 1, 1976

  • NIOSH
    RI 7370 Anode Materials For Alumina Reduction - Evaluation Of Lignite As A Carbon Source

    By V. A. Cammarota

    In this report, the effects of anode-production variables, such as aggregate coke sizes, pitch binder content, and baking cycle, were investigated. A small alumina reduction cell proved effective in e

    Jan 1, 1970

  • SME
    Computational Fluid Dynamics Modeling Of Spontaneous Heating In Longwall Gob Areas (SME Annual Meeting Feb. 25-Feb. 28, 2007, Denver, CO )

    By L. Yuan, A. Smith

    In order to provide insights for the optimization of ventilation systems for U. S. underground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dynamics

    Jan 1, 2007

  • SAIMM
    Design Principles for Optimizing an Established Survey Slope Monitoring System

    By N. Mphathiwa

    When slope angles are designed during open pit optimization, there is a risk factor applied in steepening the slopes. The steepening of slope angles has implications for the safety and economics of th

    Jan 1, 2014

  • SME
    Improving Power Plant Performance And Reducing Emissions Through The Use Of Pneumatic Dry Cleaning For Low Rank Coal

    By R. J. Snoby, J. K. Alderman

    Although once fairly common as a method of coal preparation in the United States, dry cleaning has virtually disappeared. Low-rank coals used for power generation in the western U.S. are suited for dr

    Jan 1, 2001

  • SME
    Port Of Miami Tunnel Tender Design And Update

    By Wern-ping (Nick) Chen

    The Florida Department of Transportation District 6 (FDOT D6) began a study in 1987 for a master plan to improve the traffic circulation and congestions between the Port of Miami (POM) and downtown Mi

    Jan 1, 2009

  • NIOSH
    RI 5899 Electric Smelting And Gaseous Refining Of Cement-Copper Precipitate ? Summary

    By F. E. Brantley

    Research was undertaken by the Bureau of Mines to assess the technical feasibility of smelting cement-copper precipitate in an electric furnace to produce commercial-grade copper. The blister-grade co

    Jan 1, 1961