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  • SME
    Proactive Interburden Fracturing Using Underground Inseam Drilling with Validation Monitoring

    A series of gas inrush events occurred during development at Grosvenor mine resulting in exposure to elevated levels of methane at the production face. A total of 22 gas inrush events occurred releasi

    Jan 7, 2020

  • SME
    Laboratory Assessment Of Rock Fragmentation Process By Continuous Miners – Preprint 97-172

    By V. B. Achanti, A. W. Khair

    Laboratory studies were carried out at West Virginia University to investigate the rock fragmentation mechanism by continuous miners using an automated rotary cutting simulator. The primary factors in

    Feb 24, 1997

  • SME
    Numerical Analysis for the Prediction of Bump Prone Conditions: A Southern Appalachian Pillar Coal Bump Case Study

    Two miners were fatally injured when a pillar bump occurred during retreat mining in a southern West Virginia coal mine. The mine was operating in the Eagle seam with overmining in the No. 2 Gas and P

    Jan 7, 2020

  • SME
    International Education Of Mining Engineers - An Update On The Australian Experience And International Opportunities For Collaboration - Preprint 09-003

    Collaboration between education providers is the key to long-term sustainability and improved quality in mining education. The mining industry is now, more than ever, an industry doing business on a

    Jan 1, 2009

  • SME
    Investigation Of The Selectivity Of Ethoxylcarbonyl Thionocarbametes During The Flotation Of Copper Sulfides

    In this study, the flotation performances of ethoxycarbonyl thionocarbamate (ECTC), dialkyl thionocarbamate (DATC) and xanthate copper sulfide collectors are compared by the structure-reactivity relat

    Jan 1, 2008

  • SME
    More Than 1,200 Exhibitors on Hand at MINExpo 2004

    By Georgene Renner, William R. Yernberg, Steve Kral

    Allmand exhibited its LSC 100Light Sequence Commander, the mining industry’s first automatic lighting and command control system. The system is available with all of Allmand’s portable light towers.

    Jan 1, 2004

  • SME
    Beneficiation Of Low-Grade Limonite Ore By HIMS-Cationic Reverse Flotation And Magnetic Roasting-LIMS Techniques

    By L. Xinghua

    Limonite is a general term for a group of amorphous iron oxide and iron hydroxide materials. It is considered as one of the very refractory iron ore types due to its wide variation in chemical composi

    Feb 27, 2013

  • SME
    MINExpo 2012: Mining?s Largest Trade Show Continues To Grow

    MINExpo International is billed as the largest exposition for the mining and mineral processing industry. And the 2012 edition, scheduled for Sept. 24-26 in Las Vegas, NV, is no exception. Put on by

    Jan 1, 2012

  • SME
    Evaluation Of Phosphate Depressants In The Phosphate/Silica System

    By P. Zhang

    The use of phosphate depressants in the cationic flotation of silica from francolite in the Florida phosphate industry is rarely practiced. The occasional use of gelatinized starch derivatives and pH

    Jan 1, 2009

  • SME
    Heavy Medium Cleaning of – 28 Mesh Coal

    By Edward Skolnik

    The concept of using fluid dense media to separate heavy ore constituents from the lighter gangue dates back to 1858, when it was patented by Sir Henry Bessemer. Its use in coal did not begin until af

    Jan 8, 1980

  • SME
    Longwall-Induced Ground Movement at a Shale Gas Well Site Located in a District Barrier Pillar—FLAC3D Modeling Results and Interpretation

    This paper evaluates the effect of longwall mining on a cluster of unconventional shale gas wells located in a district barrier pillar between a current longwall panel and the future panel north of th

    Jan 7, 2020

  • SME
    Laboratory And Field Evaluation Of Dust Collector Bags For Reducing Dust Exposure Of Roof Bolter Operators (77cf6e87-f7a5-4d47-85c2-324b471775be)

    The National Institute for Occupational Safety and Health conducted laboratory and field tests to evaluate the effectiveness of dust collector bags for reducing dust liberation and operator exposure f

    Jan 1, 2008

  • SME
    Travelling in Turkey

    By F. Habashi

    The peninsula that lies between the Black and Mediterranean seas, called Asia Minor by the Romans and Anatolia by the Greeks, was one of the crossroads of ancient civilizations. The fall of Constantin

    Feb 23, 2014

  • SME
    Geochemistry of ilmenite and applications to ilmenite provenance and Ti-mineral exploration

    By Antonio Pineda, Roger K. McLimans, Felicity E. Lloyd

    lmenite is a primary ore feed to the DuPont chloride process for the manufacture of titanium diox-ide pigment. We seek to determine ilmenite geochemistry as a function of original source and as-certai

    Jan 1, 2005

  • SME
    MADIQ Tunnel, Lebanon: TBM Tunneling Vs. Karst Geology

    By William D. Leech

    Lebanon used a TBM for the firsttime to excavate a tunnel in the country. A main beam TBM, built in 1979, bored the 3.8 m (12.5-ft) diameter by 4,020 m (2.5-miles) Madiq Tunnel. The TBM bored through

  • SME
    Evaluation Of Smoke Detectors For Use In Underground Mines - Preprint 09-072

    By C. D. Litton

    Laboratory experiments were conducted to determine the responses of a prototype smoke detector and a commercially available photoelectric smoke detector to smoke particles generated from various combu

    Jan 1, 2009

  • SME
    Analysis Of Reported Ventilation Costs For Uranium Mine Radon Daughter Control

    By Robert C. Bates

    Published information discussing uranium mine radon daughter controls and related costs was examined and used to develop an estimated (projected) cost per ton for any level of control. Results show a

    Jan 1, 1983

  • SME
    Measurement and Analysis of Foundation Tilt Resulting From Mine Subsidence in Southern Illinois

    By Larry R. Powell

    The Bureau of Mines, in cooperation with the Illinois Mine Subsidence Insurance Fund, is monitoring the response of two foundations to ground movements induced by subsidence from high extraction minin

    Jan 1, 1986

  • SME
    Art Schweizer: An Interview With the 2004 SME President

    Let’s start off with your assessment of the mining industry. Today, the status of the mining industry is stronger than it has been over the previous few years. While mining continues to be a major pa

    Jan 1, 2004

  • SME
    Modeling helps tame surges in rapidly filling storage tunnels

    By Peter Klaver

    Deep tunnels have been used for decades for the temporary storage of large volumes of urban runoff, both storm water and combined sewer overflow (CSO). Tunnels are attractive because they reduce surfa

    Jan 3, 2010