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  • SME
    New Design Of High Quality Cast Iron Tubbings For Tunnels And Shafts

    By Joachim Klein, Frank Reimann

    Nodular-graphite cast iron (GGG) is a material similar to steel, and one which exhibits excellent properties, in particular for components exposed to pressure. GGG cast iron has been used in many case

    Jan 1, 1987

  • SME
    Miners Remain Upbeat at NWMA Meeting

    By Steve Kral

    As the current boom in the global mining industry rumbles on, mining companies have had to step up their efforts to replace mined reserves. Many of the majors are replacing and adding to their reserv

    Jan 1, 2006

  • SME
    Quarry Expansion – Sustainable Management of Natural Aggregate

    By M. L. Tucker, William H. Langer

    Many countries, provinces, territories and states in the European Union, Australia, Canada, the United States and elsewhere have begun implementing sustainability programs. Most of those programs, ho

    Jan 1, 2004

  • SME
    More Than 110,000 Attend ConExpo in Las Vegas

    By Steve Kral

    More than 111,350 mining and construction industry professionals from throughout the world gathered in Las Vegas, NV, March 19-23 for ConExpo-Con/Agg 2002 and IFPE 2002. The triennial event is the We

    Jan 1, 2002

  • SME
    Industrial Minerals 1987

    By L Baumgardner, A. V. Castelli

    Barite In 1987, United States mine production of barite increased 15.870, consumption (sold or used by grinding plants) increased by 6.97, and imports are estimated to have fallen by 19.57. World

    Jan 6, 1988

  • 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
    Is The Mining Industry Ready To Go Green?

    By Michele Ashby

    The mining industry is facing new risks from peak commodities, the energy and economic crisis and stock market pressures. The Green Mining Industry Initiative is a risk management strategy for the fut

    Jan 1, 2008

  • SME
    Use of Tunnel Boring Machines at Depth: Extending the Limits

    By Peter Dowden, Trevor Carter, Allan Moss, Bruce Downing, Richard Beddoes

    Traditionally (with a few exceptions) tunnel boring machines (TBMs) have been utilized on tunnel projects where the risks associated with deep tunnels (rock burst, squeeze, etc) are low (or expected t

    Jan 1, 2007

  • SME
    Ground Freezing for Boston Central Artery Contract Section C09A4, Jacking of Tunnel Boxes

    By Paul C. Schmall, John F. Donohoe, Arthur B. Corwin, Derek Maishman

    Ground freezing was utilized to provide complete stability of the excavation face and complete groundwater cut-off for the jacking of the three tunnel boxes for the Interstate 90 / Interstate 93 appro

    Jan 1, 2001

  • SME
    Decline Development At The Lakeshore Property

    By Robert S. Hendricks

    LOCATION AND HISTORY The Lakeshore Copper property is located on the Papago Indian Reservation approximately 30 miles South of Casa Grande, Arizona. This major porphyry type deposit was discovered

    Jan 1, 1997

  • SME
    Mining Foundation of the Southwest Selects 1999 honorees

    The Mining Foundation of the Southwest (MFSW)promotes public understanding and education related to the mining industry. Towards this goal, the Foundation has funded several projects from donations a

    Jan 1, 1999

  • SME
    Exploration Review (0aa637d4-de3b-49fc-9275-003815a21e5a)

    By D. R. Wilburn

    This summary of international mineral exploration activities for 2008 draws upon available information from industry sources, published literature and U.S. Geological Survey (USGS) specialists. The s

    Jan 1, 2009

  • SME
    Model And Experimental Study Of The Effect Of Impeller Rotational Speed On The Flotation Rate From A Small-Scale Flotation Cell - Implications For The Effect Of Bubble Velocity

    A series of flotation experiments were carried out in a 2.25-dm3 laboratory-scale Rushton turbine cell using hydrophobic quartz particles. Flotation was performed at a constant mean bubble diameter ov

    Jan 1, 2007

  • SME
    New York Subway Stations And Crossover Caverns—Update On Initial Support Design

    By Charles Stone, Hannes Lagger, Dru Desai

    The design methodology of the planned Second Avenue Subway Project (SAS) led to development of the initial support design to estimate cost and quantities in the Preliminary Engineering (PE) stage. Car

    Jan 1, 2007

  • SME
    Mitigation Measures To Minimize Subsidence Damages Caused By Longwall Mining To Historic Structures & Their Effectiveness

    By K. Kohli

    A case study involving a historic structure undermined by longwall mining is presented in this paper. The location of this study is in South Western-Pennsylvania; USA. The structure is 150-years old a

    Jan 1, 2002

  • SME
    Challenges In CFD Modeling Of Air Flow In Open-Pit Mines

    By K. V. Raj

    In the mining industry, computational fluid dynamics (CFD) modeling is used extensively to simulate air flow in underground mines. CFD modeling of pollutant transport in open-pit mines is relatively n

    Feb 27, 2013

  • SME
    Security of supply, sustainability and resource efficiency

    By J. Geisler

    When addressing Germany’s resource supplies, we need to distinguish between those domestically available and imported ones. Resource extraction ostensibly competes with the designation of protection a

    Jan 1, 2011

  • SME
    Istanbul Strait Road Tube Crossing to link Asia and Europe

    A large-diameter road tunnel will cross beneath the strait in Istanbul and expand the infrastructure bottleneck between Europe and Asia. The technical planning of the tunneling operations poses comple

    Sep 1, 2013

  • SME
    Emerging Conveyor Technologies

    By G. Bierie

    The conveying of bulk materials is prone to problems. These problems can reduce the capacity and efficiency of the plant, and even threaten the health and safety of the workforce. This presentation w

    Jan 1, 2007

  • SME
    Little-explored area of Argentina shows base and precious metals potential

    By Barton J. Suchomel

    Introduction Despite perennial economic turbulence, Argentina continues to push ahead with efforts to develop its fledgling hardrock mining industry. The country lacks the infrastructure and mining

    Jan 8, 1988