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  • SME
    Northside Storage Tunnel Project, Sydney: Tunnelling and Groundwater Control Beneath the Middle Harbour

    By R. A. Gee, G. B. Ashton, S. T. Warren, P. N. Groves

    Northside Storage Tunnel provides 500 megalitres (Ml) (130 million gallons) of storage capacity to capture stormwater/sewage overflows into Sydney Harbour. The6.6 m diameter TBM driven tunnel traverse

    Jan 1, 2001

  • SME
    Evaluation Of Sulfidic Mine Tailings Solidified/Stabilized With Cement Kiln Dust And Fly Ash To Control Acid Mine Drainage

    By M. Nehdi

    Deficient surface disposal systems of sulfidic mine waste often cause severe contamination of surface streams and groundwater reservoirs due to the oxidation of sulfide phases. The subsequent generati

    Jan 1, 2008

  • SME
    Use of automated micro gas chromatograph to monitor mine atmospheres during mine emergencies

    By B. K. Blashich

    In responding to mine fires and explosions, accurate and timely analysis of the mine atmosphere is critical in making decisions regarding firefighting, mine rescue and mine recovery operations. For ma

    Jan 1, 2009

  • SME
    Safety Framework for Programmable Electronics in Mining (a95116c1-d58d-432f-ad32-8ea419ca1fb8)

    By John J. Sammarco

    Mining has one of the highest annual average fatality rates among major US industries. Health and safety dangers have been inherent to mining since the early days of picks and shovels. Even though mi

    Jan 1, 1999

  • SME
    In-Situ Uranium Mining with Oxygen

    By L. M. Litz

    In reply to Mr. DeVries comments on my paper, I would like to say that it is true, as pointed out by Mr. DeVries, that under some special conditions, the use of high concentrations of hydrogen peroxid

    Jan 1, 1982

  • SME
    Planning And Teamwork Lead To Successful Start-Up At Batu Hijau

    By P. Hickey, J. Spenceley, T. J. DeMull

    Development of the Batu Hijau Project was successfully completed in the fourth quarter of 1999 with the final handover and start-up of ore processing facilities. The development project had started m

    Jan 1, 2001

  • SME
    Coal Pillar Strength Based On The Ground Reaction Curve ? A New Approach

    By Kazem Oraee

    In underground coal mining, particularly room-and-pillar methods, the coal pillars play a significant role in roof stability. If the pillar dimensions are increased, the pillar bearing capacity also i

    Jan 1, 2009

  • SME
    Activation Mechanism of Lead Ions in the Flotation of Rutile Using Amyl Xanthate as a Collector Mining, Metallurgy and Exploration

    By Qinbo Cao, Qianshan Peng, Heng Zou, Xingcai Yu

    In this work, a new flotation strategy was proposed for the flotation of rutile. In this strategy, rutile was activated by Pb(NO3)2 and then floated with amyl xanthate (AX) as a collector at pH 8. Pb(

  • SME
    Siemens Controllers Aid Processing at the Madero Project

    By Rolando Gonzalez

    Mexico’s role in the world economic community continues to grow. And it is important that the country makes use of its natural wealth, including its large underground deposits of minerals and metals.

    Jan 1, 2003

  • SME
    Activation Mechanism of Lead Ions in the Flotation of Rutile Using Amyl Xanthate as a Collector Mining, Metallurgy and Exploration (4401b4da-c269-4538-8819-8ae624ce5432)

    By Qinbo Cao, Qianshan Peng, Heng Zou, Xingcai Yu

    In this work, a new flotation strategy was proposed for the flotation of rutile. In this strategy, rutile was activated by Pb(NO3)2 and then floated with amyl xanthate (AX) as a collector at pH 8. Pb(

  • SME
    IH-635 (LBJ Freeway) Corridor Section 4-West Traffic Tunnels

    By Matthew E. MacGregor, Hugh T. Kelly

    I.H. 635 (LBJ Freeway) was constructed as a loop freeway around the city of Dallas in the late 1960s and early 1970s with a design capacity of 160,000 vehicles per day (vpd). Today’s facility is carry

    Jan 1, 2005

  • SME
    Laboratory Evaluation Of Shield Dust Entrainment In High Velocity Airstreams (913d8715-0740-44d1-b301-b965be654afd)

    In conjunction with steady increases in production levels, longwall operators have applied greater quantities of ventilating air and spray water in an effort to control respirable dust and/or methane.

    Jan 1, 2001

  • SME
    Newmont’s Yanacocha Project: The Joint Venture Three Years Later

    By L. Harris

    The Yanacocha project is the first foreign investment in Peruvian mining since Cuajone during 1976. Three years after the project began, it has become the largest producer of gold from heap-leach ope

    Jan 1, 1996

  • SME
    Georgia Kaolin: Development of a Leading Industrial Mineral

    By R. J. Pruett

    The Georgia kaolin district is the world’s largest producer of kaolin. Georgia production tripled from 2.87 Mt (3.17 million st) in 1968 to8.35 Mt (9.2 million st) in 1998. Development of the Georgia

    Jan 1, 2000

  • SME
    Comparison of the transverse load capacities of various block ventilation stoppings under arch loading conditions

    By T. M. Barczak

    Stoppings are required to resist lateral forces on the face of the structure to control pressure differentials created by ventilating air. The design criteria in other parts of the world, including Au

    Jan 1, 2009

  • SME
    The Modelling Of Froth Zone Recovery In Batch And Continuously Operated Laboratory Flotation Cells

    By Z. T. Mathe, M. A. Vera, M. C. Harris

    This contribution presents a methodology how to quantify froth zone recovery in a continuously operated laboratory mechanical flotation cell. The methodology consists of relating the overall flotatio

    Jan 1, 2001

  • SME
    Port Authority Of Alleghany County North Shore Connector Project Tunnels And Station Shell Case History Contracts 003 And 006

    By Paul Zick

    The Port Authority of Allegheny County North Shore Connector (NSC) Project involves TBM excavation of twin 690 m (2,240 lf) precast segment lined light rail tunnels through soil and rock under the All

  • SME
    Analysis Of Airborne And Waterborne Particles Around A Taconite Ore Processing Facility

    By Charles W. Axten

    Since the mid-1970s, samples of airborne and waterborne fibrous particulates have been collected in the area of the Northshore Taconite Ore Processing Facility by the Minnesota Department of Health (M

    Jan 1, 2007

  • SME
    Advances in Dry Jigging Improves Coal Quality

    By Richard Weinstein, Richard Snoby

    There are many advantages to upgrading coal with dry jigging technology. The most obvious is the lack of process water, which eliminates the need for fines dewatering and slurry confinement. Dry jiggi

    Jan 1, 2007

  • 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