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  • SME
    Risk Quantification in the Mineral Sector

    By K. Bounou, K. Komnitsas

    "Risk quantification may be used as a sustainable development index in the mining industry, since it encompasses both economic and social factors. In addition, it may assist in the development of a fr

    Jan 1, 2005

  • SME
    Expansion And Modernization Of An Iron Ore Pelletizing Plant In Northern Sweden

    By M. Ahrens

    The paper describes the main drive systems of an iron ore pelletizing plant and related important design aspects. It is shown how today?s drive systems provide the desired flexibility for the process

    Jan 1, 2008

  • SME
    Port of Miami Tunnel Study: Bored or Immersed Tubes?

    By Eldon L. Abbott, Rebecca K. Bolan

    The Florida Department of Transportation, Florida’s Turnpike Enterprise is studying the feasibility of a 1128 meter (3,700 foot) vehicular tunnel to provide direct access for Port of Miami traffic to/

    Jan 1, 2005

  • SME
    The Relationship Between Tunnel Convergence and Machine Operational Parameters and Chip Size for Double Shield TBMs— A Case History of Ghomroud Water Conveyance Tunnel

    By Jamal Rostami, Ebrahim Farrokh

    Selection of tunneling method, specially the use of shielded machines for application in deep rock tunnels can be heavily impacted by presence of ground convergence and squeezing conditions. Tunnel co

    Jan 1, 2007

  • SME
    The Search For Asbestos Within The Peter Mitchell Taconite Iron Ore Mine, Near Babbitt, Minnesota

    By Malcolm Ross

    Asbestos crystallizes within rock formations undergoing intense deformation characterized by folding, faulting, shearing, and dilation. Some of these conditions have prevailed during formation of the

    Jan 1, 2007

  • SME
    Tunnel Boring Machine Development

    By Martin Herrenknecht

    Tunnel boring machine (TBM) development continues to take on not only larger diameters, but also more difficult ground conditions. Ground conditions consisting of unstable faces with water pressures u

    Jan 1, 2008

  • SME
    Rheological Behaviors In Wet Ultrafine Grinding Of Limestone

    This paper investigates the effects of solids concentration and the addition of Dispersant S40 on the flowability of original and ground limestone slurries. A rotational viscometer with a concentric c

    Jan 1, 2007

  • SME
    An American Down Under Living And Working In Australia - Introduction

    By J. G. Pippenger

    The mining industry has been Australia?s major economic driver over the past decade, contributing 8% to Australia?s Gross Domestic Product and 26% of Australian Stock Exchange Market capitalisation.

    Jan 1, 2011

  • SME
    Ocean mining and deep-sea conservation: Who are the players? What is the game?

    By S. Kim Juniper

    "This presentation aims to serve as a primer on conservation, research and regulatory organizations interested in the environmental impact of deep-sea mining. It will also consider a recent, early-sta

    Sep 1, 2014

  • SME
    Managing Plant Productivity With A Web Server Technology

    By S. Culp, P. Metcalfe

    Web technologies and the Internet have revolutionized the computer industry. The Web browser technologies have also moved to portable devices such as Personal Digital Assistants (PDAs) and mobile phon

    Jan 1, 2002

  • SME
    Preliminary results of physical, geochemical, and sediment characteristics in the Benthic environmental Impact experiment Site (BIS) of Korea

    By Kiseong Hyeong, Young-Tak Ko, Gee Soo Kong

    "The benthic environmental impact experiment addresses environmental impacts at a specific site related to deep-sea mineral resource development. For such a purpose, since 2010 we have carried out ess

    Sep 1, 2014

  • SME
    Effects of ventilation and gob characteristics on spontaneous heating in longwall gob areas

    By L. Yuan

    In the U.S. coal mining industry, most spontaneous combustion fires occur in longwall or worked-out gob areas. In order to reduce the fire hazard caused by spontaneous combustion, it is important to u

    Jan 1, 2009

  • SME
    Design and Risk Management Strategy for the Sound Transit Beacon Hill Station and Tunnels

    By Joseph Gildner, Donald J. Phelps, Jürgen Laubbichler, Christopher Tattersall, David McAllister

    The Beacon Hill Station and Tunnels portion of the Sound Transit Central Link Project consists of one mile of twin rapid transit tunnels, an underground station, portals and ancillary works constructe

    Jan 1, 2005

  • SME
    The Economics of Silver and the Miner

    By Hugh Douglas

    In the past two years recent increases in silver prices over levels that prevailed for many years have changed supply/demand patterns. On the supply side, a silver mining boom is in progress in the Un

    Jan 1, 1981

  • SME
    Lithologic Controls On Aggregate Quality In A Mountain-Front Alluvial System--An Example From The Colorado Front Range

    By D. A. Lindsey

    Gravel lithology affects the quality of aggregate because different rock types in gravel have different physical and chemical properties. The lithologic composition of alluvial gravel reflects the com

    Jan 1, 2002

  • SME
    Continuing The Legacy: An Update On The Construction Of The New Second Avenue Subway

    By Jaidev Sankar

    The dream of constructing the new Second Avenue Subway in New York has finally become reality as the first construction contract package is currently underway. This first contract requires the constru

  • SME
    Tunnel Boring at Stillwater’s East Boulder Project

    By Clayr Alexander

    Stillwater Mining Co. (SMC) is engaged in developing, extracting, processing and refining palladium, platinum and associated metals (PGM)from the J-M Reef. This geological formation is located in Sti

    Jan 1, 1999

  • SME
    Review of Issues Related to Cerchar Abrasivity Testing and Their Implications on Geotechnical Investigations and Cutter Cost Estimates

    By Jamal Rostami, Levent Ozdemir, Amund Bruland, Filip Dahl

    Cerchar Abrasivity Index (CAI) is one of the commonly used tests to evaluate rock abrasiveness for cutter life/cost estimations of TBM projects. There are at least 3 style machines, 2 different pin ha

    Jan 1, 2005

  • SME
    73rd Street TARP Relocation McCook Cup Reservoir: Contract 97-156-2H

    By Brent Duncan, Doug Harding, Bob Stier

    The 73rd Street Tunnel Project is part of “The Tunnel and Reservoir Plan” (TARP)also known as the Deep Tunnel Project, and is located in the Village of Bedford Park, County of McCook, State of Illinoi

    Jan 1, 2003

  • SME
    Empire Pebble Crushing Circuit, Going Back To Basics, Is The Crusher Crushing?

    By H. Walqui

    This paper describes operating gains resulting from standardizing operating and maintenance practices to improve the performance of the pebble crushing circuit at he Empire Concentrator. Past efforts

    Feb 27, 2013