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  • SME
    Guidance To Plan, Design, Evaluate And Inspect Above- Draingage Coalmine Outcrop Barriers To Prevent Blowouts

    By F. Block, K. Kohli

    Outcrop barrier pillars serve to keep mine personnel and the public safe from sudden uncontrolled flows of water accumulated in active and abandoned underground mine workings. When an outcrop barrier

    Jan 1, 2007

  • SME
    Case Study of Longwall Mining in Mine No. 95, Consolidation Coal Co.

    By Warder A. Shaver

    INTRODUCTION Mine No. 95 of the Consolidation Coal Co., a divi¬sion of Continental Oil Co., is located in Shinnston, WV. Mine No. 95 was opened in January 1967 and has been operating continuously sin

    Jan 1, 1982

  • SME
    High-resolution AUV-surveys of a sediment-covered massive sulfide occurrence in the Mediterranean Sea

    By Isobel Yeo, Luca Cocchi, Sven Petersen, Nico Augustin, Sean Plunkett, Ingo Klaucke

    Exploration for seafloor massive sulfides is currently mainly focused on investigation for active hydrothermal vent fields. However, most of the resource potential is thought to be related to inactive

    Sep 1, 2014

  • SME
    Integration Of Operations And Underground Construction: Sound Transit University Link

    By John Sleavin

    As part of the Link Light Rail project in Seattle, WA, work was completed at the Pine Street Stub Tunnel (PSST) in early 2007 for the Central Link project. This tunnel was excavated using cut-and-cove

    Jan 1, 2010

  • SME
    Construction of the Pergau Hydroelectric Power Project, Malaysia

    By Patrick J. Doig

    In mid-1991, the design/build contractor set to work on the Pergau HEP in a remote corner of Malaysia, armed with only a slim volume of conceptual drawings. The next five years saw roads, power lines,

    Jan 1, 2001

  • SME
    Batu Hijau: From Discovery to Production

    By Thomas J. DeMull

    Development of the Batu Hijau copper project was completed in the fourth quarter of 1999 with the formal handover and start-up of ore processing facilities. The project began in August 1996 when the

    Jan 1, 2002

  • SME
    Current Ground Support Membrane Applications In North American Underground Mines

    By L. Lacerda

    Spray-on ground support membranes (GSM) or thin support liners hold today perhaps as much potential to impact underground (u/g) ground support operations as dry and later wet-mix shotcrete when introd

    Jan 1, 2002

  • SME
    Mineral Resource estimation for the Chatham Rock Phosphorite Project

    By Ray Wood, Rene Sterk, Robin Falconer, Sean Aldrich, Simon Nielsen

    "The Chatham Rock Phosphorite project is situated 450 km east of New Zealand at approximately 350 to 450 m water depth. The deposit occurs as a thin layer of phosphatebearing glauconitic sand at the s

    Sep 1, 2014

  • SME
    Regulation Of Surface Subsidence In Nest Virginia

    By Steve Meador

    West Virginia's basic coal mining regulatory programs are not unique when compared to Federally approved programs implemented by other coal producing states. In fact, the language in The West Vi

    Jan 1, 1986

  • SME
    Caterpillar Moves Forward With F Series Mining Trucks

    The largest investment in mining equipment in Caterpillar?s history ? The F series mechanical and electrical drive trucks ? is rapidly advancing. Caterpillar showcased the 793F and 797F mechanical dr

    Jan 1, 2009

  • SME
    Queens Bored Tunnels, East Side Access, New York

    By David Smith, Bernie Martin

    The Queens Bored Tunnels consist of 11,000 feet of 19'-6" inside diameter tunnels mined through rock, mixed face and dense glacial till, constructed with bolted gasketed one pass reinforced concr

    Jan 1, 2005

  • SME
    Evolving Soft-Ground Tunneling in Seattle

    By Leon Maday, Robert Robinson, Judy Cochran, Don Davis

    Over the past 20 years, several soft-ground tunnels have been successfully completed in the Seattle area. These tunnels were built using design-bid-build contracting methods, and have benefited from a

    Jan 1, 2005

  • SME
    Mineral processing and utilisation of iron ore tailings

    The only significant iron ore deposit in Hungary could be found in Rudabánya. The mine was closed in 1986. The area of Rudabánya was always the home of heavy mining activity. In former times, mainly s

    Jan 1, 2011

  • SME
    Probable Cost Estimating and Risk Management

    By John Reilly

    Costs of complex/underground projects have been consistently underestimated and delivery on time and on budget has been problematic. This has been attributed, to inadequate cost estimates and unidenti

    Jan 1, 2008

  • SME
    Water Treatment at Homestake’s Bulldog Mountain Operation

    By Joseph L. Young, Richard A. Bohling

    To keep Homestake's Bulldog Mountain silver and lead mining and milling operation in southwestern Colorado workable, natural ground water and decant water from the mine's sand backfilling op

    Jan 12, 1981

  • SME
    Analytical Modeling of a Synthetic VMS Deposit Data: a Proxy Tool for Education and Initial Research "Mining, Metallurgy & Exploration (2021)"

    By Viktor Lishchuk, Olof Martinsson, Tobias E. Bauer, Elena Haller

    Freely accessible and non-confidential real-life geological data sets from mineral deposits are desirable for the wide range of applications in research and education. However, publicly available stat

    Jan 14, 2021

  • SME
    Construction of the C710 Beacon Hill Station Using SEM in Seattle— “Every Chapter in the Book…”

    By Zephaniah Varley, Satoshi Akai, Richard Sage, Steve Redmond, Mike Murray, Rohit Shetty, Gerald Skalla

    One would be hard pressed to find another project as complex as this one given its configuration, the variety of issues to address and the required construction techniques. Contract C710 is currently

    Jan 1, 2007

  • SME
    Estimating Strain and Stress in Oriented Rock Cores Using a Diametral Deviation Method

    A practical core-based method for estimating in situ stress was tested using 360° measurements of rock core diameter in a laboratory setting. In several mining districts across West Virginia, rock cor

    Jan 7, 2020

  • SME
    Geotechnical Considerations No. 7 Subway Line Extension Project in New York City

    By P. K. Das, S. K. Singh, C. C. Chang, E. C. Wang, R. B. Roberts

    As part of the New York City’s redevelopment of the far west side of mid-town Manhattan, this project will add 1.5 miles of twin bored tunnel to No. 7 Subway Line. The proposed alignment extending fro

    Jan 1, 2005

  • SME
    Additional Test Results for Comparison of Penetration of Grout Made with Various Ultrafine Cement Products

    By Shimi Tzobery, Jay Davenport, Raymond Henn, Sam Bandimere

    Over the past several decades, the use of cement-based grouts using ultra fine cement as a replacement for portland cement has begun to gain acceptance as an alternative to chemical solution grouts us

    Jan 1, 2005