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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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