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  • SME
    Improved Regulatory Coordination To Ensure Responsible Mining & Environmental Protection ? Issue

    ? The economic health and national security of the U.S. depends on the continued availability of, and access to, reliable and affordable energy and mineral resources. However, America is hindered by a

    Jan 1, 2011

  • SME
    Designing Wetland Treatments Systems For Long Term Treatment Of Mine Drainage - An Impossible Dream?

    By Paul Eger

    The use of wetlands to treat mine drainage has become increasingly common, particularly as more information is available on their operation and construction. However, the lifetime of each system is s

    Jan 1, 2005

  • SME
    Technical And Commercial Benefits Of Gearless Mill Drives For Grinding Applications

    By M. Ahrens, J. Gonser

    Gearless mill drives are a well established solution for grinding applications in the minerals and mining industries. The paper describes the functionality and technical features of such drive systems

    Jan 1, 2007

  • SME
    Reproducibility Of Bond Work Index With Different Standard Ball Mills

    By P. C. Fletcher, E. Kaya

    The Bond grindability testing procedure has been standardized to measure the same grindability values, i.e. Bond work index (BWi), for the same ore when tests are performed in different laboratories o

    Jan 1, 2002

  • SME
    Corporate social responsibility within the mining industry: case studies from across Europe and Russia

    By E. A. Adey, C. Baciu, P. Whitbread-Abrutat, M. Varul, T. Ejdemo, R. K. Shail, F. Wall

    Responsible mining requires stakeholder engagement throughout all operational stages and after mine closure. By assessing the current and anticipated future socio-economic and environmental impacts, a

    Jan 1, 2011

  • SME
    A New Short- And Medium-Term Production Planning Tool - Minesight® Schedule Optimizer (MSSO) - Preprint 09-079

    The MineSight Schedule Optimizer (MSSO) is a new production scheduling tool developed by Mintec, Inc. using mixed integer linear programming (MILP) techniques. This tool was developed to solve the sho

    Jan 1, 2009

  • SME
    Mining Cross Passages Using NATM/SEM on the Los Angeles Metro Eastside Extension Tunnels

    By Christophe Bragard

    The Los Angeles Metro Eastside Extension light rail project included a 1.5 mile underground segment, which consisted of twin 18'?10" ID tunnels, bored with two EPB-TBMs. One of the major project

    Jan 1, 2008

  • SME
    Underground Mine Development

    By G. T. Lineberry

    Underground mine development begins with the positive investment decision to mine and ends with the inception of full-scale exploitation. It incorporates all activities, personnel, and equipment requi

    Jan 1, 2008

  • SME
    Sustainability at Bucyrus

    By U. Paschedag, H. Bussmann

    "Bucyrus manufactures the most comprehensive product portfolio of mining equipment worldwide. Its mission is to have a positive, lasting effect on our world. Bucyrus makes sustainable development a fu

    Jan 1, 2011

  • SME
    CFD Study On Hot Spot Location In Longwall Gob - Introduction - Preprint 09-064

    By S. Lolon

    Spontaneous combustion in underground coal mines has become a serious problem particularly in the caved area (gob). Recent statistic has shown that approximately 17% of total 87 underground coal mine

    Jan 1, 2009

  • SME
    The Madrid Renewal Inner Ring Calle 30 with the Largest EPB Machines—Planning and Results

    By Enrique Fernandez

    M-30, Madrid’s inner ring, covers 42 sq km of the city centre where one million people reside. It was constructed in several phases during the sixties and the eighties. The design criteria applied to

    Jan 1, 2007

  • SME
    Operation of large underground fans at Kidd Mine ? progressing through the challenges

    Kidd Mine in Northern Ontario is now producing from Stage 1 of the Mine D expansion project ? mining between 2100 m and 2700 m below surface. Planning for Stage 2 of the Mine D project is already well

    Jan 1, 2009

  • SME
    Design Based on Numerical Modelling a Requirement for an Economical Tunnel Construction

    By Gunter Swoboda, Harald Wagner

    Until a few years ago tunnel construction was based exclusively on experience. In recent years, however, numerical models have increasingly become an integrated part of tunnel design [2]. These models

    Jan 1, 1993

  • SME
    Designing To Protect Adjacent Structures During Tunneling In An Urban Environment

    By Marco D. Boscardin, Paul A. Roy, Kevin J. DiRocco, Andy J. Miller

    The North Shore Connector Project for the Port Authority of Allegheny County involves TBM mining a pair of subway tunnels through soil and rock under the Allegheny River and a narrow city street. Alon

    Jan 1, 2007

  • 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
    Rail and Belt Haulage Systems

    By Christopher J. Bise

    INTRODUCTION The principal means for transporting men, supplies, and mined material in an underground or surface mine are rail systems, conveyor belt systems, or a combination of the two. Typicall

    Jan 1, 1986

  • SME
    Dynamic Simulation Of Grinding Circuits As An Aid For The Diagnosis Of Hydrocyclone Malfunction - Preprint 09-100

    By C. Bazin

    Grinding circuits are operated in the presence of disturbances due to ore changes and equipment malfunctions. One of the challenges faced by the operators is the detection of a disturbance, the identi

    Jan 1, 2009

  • SME
    The Effect Of Anode Impurities On Copper Electrorefining

    By M. L. Free, L. Anthian

    Electrochemical, chemical, and image analysis techniques were utilized together with statistical analysis methods to determine the effect of various anode impurities on copper electrorefining performa

    Jan 1, 2000

  • SME
    The Kensico–City Tunnel for New York City Water Supply

    By Robert J. F. Goodfellow, William A. T. Meakin, Kevin Clarke, Eric Cole

    INTRODUCTION New York City Water Supply—Background and History Since the 1840s New York City has been developing the largest, and perhaps, the best urban water supply and distribution system in

    Jan 1, 2005

  • SME
    Microcomputers and Mining : Geology and Exploration

    By Thomas C. Shapiro

    This is the second in a series of articles on microcomputers and applications in the minerals industry. The first article (ME, Feb., page 129) discussed microcomputer terms and concepts. This article

    Jan 3, 1984