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  • SME
    Managing Geologic Uncertainty in Pit Shell Optimization Using a Heuristic Algorithm and Stochastic Dominance Mining, Metallurgy and Exploration (444ce330-9c49-45a1-9758-2c54438ceb81)

    By · J. B. Boisvert, O. Leuangthong, T. Acorn

    Optimizing final pit limits for stochastic models provides access to geologic and economic uncertainty in the pit optimization stages of a mining project. This paper presents an approach for optimizin

  • SME
    Managing Geologic Uncertainty in Pit Shell Optimization Using a Heuristic Algorithm and Stochastic Dominance Mining, Metallurgy and Exploration

    By · J. B. Boisvert, O. Leuangthong, T. Acorn

    Optimizing final pit limits for stochastic models provides access to geologic and economic uncertainty in the pit optimization stages of a mining project. This paper presents an approach for optimizin

  • SME
    Fine Copper Grinding Using Metso’s Stirred Media Detritor

    By Graham Davey

    High-speed stirred milling is a relatively new method of grinding in the metalliferous process industries. However, it has been widely used in the industrial mineral field for more than 30 years. Man

    Jan 1, 2004

  • SME
    High Pressure Water Jet Assisted Tunneling

    By Russell Miller, Fun-Den Wang

    High Pressure Water Jet Assisted Tunneling The high pressure water jet assisted tunneling project was conducted in a granite quarry near Skykomish, Washington, approximately 90 miles east of Seattl

    Jan 1, 1976

  • SME
    Managing Contractor Safety In Australia

    By J. Luxford

    The last decade has seen an enormous increase in the use of contractors right across the Australian mining industry. So much so that contractors now operate 33 of the 68 underground metalliferous mine

    Jan 1, 2000

  • SME
    Characterization of San Diego’s Stadium Conglomerate for Tunnel Design

    By S. J. Boone, A. Poschmann, C. Pound, A. Pace

    San Diego’s Stadium Conglomerate consists of poorly cemented cobbles, gravel, sand, silt and clay. Conventional laboratory and in-situ testing is not suitable for characterizing its engineering proper

    Jan 1, 2001

  • SME
    Flotation Plant Instrumentation

    By Dexter C. Hatch

    At MacIntyre Development of the National Lead Company, Taha s, New York,, the flotation plant was set up to recover ilmenite from the finer size fraction of the ore that cannot be efficiently treated

    Jan 1, 1962

  • SME
    Development in Utility Tunnelling in the United Kingdom During the Years 1990–2000

    By Andy Mille

    The paper highlights development of tunneling methodology in the UK during the years 1990-2000 using the example of two major tunneling contracts where there solution of difficult tunneling problems d

    Jan 1, 2001

  • SME
    Semi-Autogenous Grinding (SAG) Mill Liner Design And Development

    By D. Royston

    SAG mill liner development draws primarily on practical experience from SAG milling operations supported by computer-based modeling of charge motion in SAG mills and on established good design practic

    Jan 1, 2007

  • SME
    Boggo Road Busway Project, Brisbane, Australia

    By Ted Nye

    This paper describes a number of aspects of the design and construction of a driven tunnel which forms part of the Boggo Road Busway project. The driven tunnel is 430m long with an excavated width of

  • SME
    Effects of Longwsll Subsidence on Escarpment Stability

    By Valois R. Shea-Albin

    Increasing pressure from State and Federal agencies to mitigate mining-induced subsidence damage to overlying structures has presented a unique problem to the coal industry in the western United Stat

    Jan 1, 1986

  • SME
    Overview of NFPA 502 Standard for Road Tunnels, Bridges and Other Limited Access Highways, 2008 Edition

    By William Connell

    NFPA 502, Standard for Road Tunnels, Bridges and Other Limited Access Highways establishes minimum fire protection and fire life safety requirements for road tunnels, bridges and other roadways where

    Jan 1, 2008

  • SME
    Making Headway: All-Tool Carriers And Attachments Are Making An Impact On Advanced Tunneling

    By Peter Bigwood

    Whether drilling through tough clay or breaking rock, or facing the most severe conditions including mixed face ground, perched water and running and flowing sands, working under-ground certainly come

    Jan 1, 2012

  • SME
    Selected Factors Affecting Longwall Mine Layouts In The Pittsburgh Coalbed Of Southwestern Pennsylvania

    By A. Iannacchione

    Longwall mining began within the Pittsburgh coalbed of Pennsylvania (PA) in the early 1970?s. Originally, longwall mine layouts were designed to fit within existing room-and-pillar operations, where

    Feb 27, 2013

  • SME
    Alternatives To Conventional Cokemaking And Consuming Practices

    By Francis J. Kiessling

    Energy and the conversion of potential energy into alternate forms is becoming a topic of household conversation for a larger segment of the world's population as mankind's desire for produc

    Jan 1, 1980

  • SME
    Slurry Pump Design Features

    By George Wilson

    When pumping abrasive slurry mixtures, special attention must be given to pump design and construction. The second article in this two-part series describes some design features to consider when selec

    Jan 10, 1981

  • SME
    Energy Dissipation and Fragmentation of Granite Core During High Velocity Impact Mining, Metallurgy and Exploration

    By Ying Lu, Jeffrey C. Johnson, Chen-Luh Lin, Jan D. Miller, Sindhoora Puvvada

    Energy dissipation and fragmentation of rock is of interest for mine-to-mill operations in order to understand breakage and to minimize energy consumption during blasting at the mine site, and comminu

  • SME
    Energy Dissipation and Fragmentation of Granite Core During High Velocity Impact Mining, Metallurgy and Exploration (1de527b1-559a-4ec3-825e-46bd7ac58c2b)

    By Ying Lu, Jeffrey C. Johnson, Chen-Luh Lin, Jan D. Miller, Sindhoora Puvvada

    Energy dissipation and fragmentation of rock is of interest for mine-to-mill operations in order to understand breakage and to minimize energy consumption during blasting at the mine site, and comminu

  • SME
    Punk Rock in Portland

    By Pat Wilmoth, Joseph P. Gildner, Dan Nowak, Shane Yanagisawa, Don Z. Painter, Gordon F. Revey

    Frontier/Traylor is presently completing construction of twin tunnels for the Tri-County Metropolitan Transit District of Oregon’s (Tri-Met) westside lightrail system. The tunnels are each 4,550 m (1

    Jan 1, 1997

  • SME
    Coal Pillar Extraction Under Weak Roof "Mining, Metallurgy & Exploration (2020)"

    By Sahendra Ram, Ashok Kumar, Rakesh Kumar, AMIT KUMAR SINGH, Dheeraj Kumar, Arun Kumar Singh, Rajendra Singh

    This article offers an examination of a retreat mining method conducted at the Pinoura Mine in India from 2010 to 2017. The method is atypical for coal mines of India’s coalfields. The method executes

    Aug 4, 2020