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  • SME
    "How To Remove Tramp Iron From Burden Carried On Conveyor Belt? Introduction

    By R. F. Merwin

    Advancement in automation intensifies the need to remove tramp iron from bulk materials being processed and carried on belt conveyors. Although magnets have long been employed for this purpose, it bec

    Jan 1, 1966

  • 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
    A Comparative Study Of The Geostatistical Ore Reserve Estimation Method Over The Conventional Methods

    By Harvey P. Knudsen

    This paper describes the results of a comparative study of the geostatistical ore reserve estimation method over three conventional methods; the polygon method, the inverse of the distance squared (ID

    Jan 1, 1976

  • SME
    A Disappointing Year for Industrial Minerals Production

    A glance at the accompanying table reveals that for the first time in many years the industrial minerals field did not post significant gains in production. Gypsum, cement, sand and gravel, and cru

    Jan 5, 1980

  • SME
    A Methods for the Evaluation of Data From the Batch Testing of Green Pellets

    By John S. Wakeman

    The initial step in the pelletizing of iron ores is the production of green balls. The importance of this step cannot be overemphasized as the physical quality of the green balls has a very significa

    Jan 1, 1971

  • SME
    A Mine Fire Recovery

    By J. E. Urosek

    In October, 1990, a fire started in a large underground coal mine in Western Pennsylvania. During fire-fighting activities, an explosion occurred and all personnel were evacuated. Safe re-entry into t

    Jan 1, 1993

  • SME
    A Modified Version Of The Geomechanics Classification For Entry Design In Underground Coal Mines

    By David A. Newman

    The Geomechanics Classification (Bieniawski, 1979) was modified for entry and roof support design in underground room-and-pillar coal mines. Adjustment multipliers were introduced to incorporate the i

    Jan 1, 1985

  • SME
    A Practical Approach To The Automatic Control Of Autogenous And Semiautogenous Grinding Circuits

    By A. J. Neale

    Much has been published lately about the application of advanced control strategies in the automatic control of autogenous and semi-autogenous grinding circuits. The application of adaptive control al

    Jan 1, 1994

  • SME
    Acid Base Accounting: Low-Level Data Comparison Of Net Carbonate Value Versus Modified Sobek Procedures As Described By The State Of Nevada

    By T. Patten

    Inter-Mountain Labs, IML, performed a study comparing mining waste rock sample analysis by Net Carbonate Value (NCV) and Modified Sobek acid-base accounting procedures. The study looked at 468 waste r

    Feb 27, 2013

  • SME
    Adsorption Of Heavy Metal Ions On Manganese Oxide-Coated Media

    By Ping K. Di

    A naturally aged and synthesized manganese oxide-coated granular media was found in our laboratory to have the capability of the removal of soluble Mn(H) from mine drainage by adsorption and oxidation

    Jan 1, 1995

  • SME
    Alaska Way visit highlights Megaprojects conference in Seattle

    When defining a ?megaproject,? one need only to look at Seattle, WA?s State Route 99 Alaskan Way Viaduct replacement project. This $3.1-billion project is one of the largest of its kind in the world,

    Dec 1, 2013

  • SME
    Allflux® Separator/A New Way To Process Your Heavy Minerals

    By P. Grotjohann

    In processing heavy mineral sands, the low feed concentration and respective high value of the desired minerals require high capacity production and sharp classification/separation techniques to reduc

    Jan 1, 1998

  • SME
    An Analysis Of Subsidence Movements Associated With An Abandoned Shallow Room-And-Pillar Coal Mine

    By Yoginder P.

    ACKNOWLEDGEMENTS Authors sincerely appreciate the interest, cooperation and technical support of the coal company management and staff in conducting the study. Without their assistance this study

    Jan 1, 1986

  • SME
    An Energy Balance For The Second Underground Coal Gasification Experiment, Hanna, Wyoming

    By Dennis D. Fischer

    The second underground coal gasification experiment conducted by ERDA's Laramie Energy Research Center at a site near Hanna, Wyoming, was completed on July 30, 1976. During the experiment product

    Jan 1, 1977

  • SME
    An Instrument To Determine Uniaxial Stress In Short Rock Columns

    A portable electronic instrument was developed which will measure change of longitudinal wave velocity with change of uniaxial stress in rock columns. The instrument is a solid-state device powered by

    Jan 1, 1970

  • SME
    An Integration Of Long-Term Mine Planning, Tailings And Reclamation Plans

    Oil sands processing generates huge volumes of slurry, known as tailings, that is being stored in tailings ponds. The volume of produced tailings is a very important factor in oil sands surface mine p

    Feb 27, 2013

  • SME
    Anaconda Nevada Molybdenum Project

    By Paul B. Valenti

    The Nevada Moly Operation of Anaconda Minerals Co., (a molybdenum/copper ore body) was initiated in 1978, with a contract to Bechtel Civil and Minerals Inc. for construction of a mining and milling fa

    Jan 1, 1983

  • SME
    Analysis of the Controlled Deformation in Rock and Soil (A.DE.CO.-RS)–Tunneling Approach Performance of an Alternate Tunneling Approach in the Construction of 100 Kilometers of Tunnel for the Bologna to Florence High Speed Rail Line

    By Silvano Morelli, Giovanna Cassani, Renzo Bindi, Antonio Nicola

    More than 70 km of main line and service tunnels have been excavated to date for crossing the Apennines between Bologna and Florence. A new design and construction approach, known as Analysis of t

    Jan 1, 2003

  • SME
    Analysis of the Impacts of Mining Sequence and Overburden Depth on Stability at a Dipping Limestone Mine "Mining, Metallurgy & Exploration (2021)"

    By J. Miller, B. Slaker, M. M. Sears, G. Rashed

    Ground falls represent a significant hazard at underground mines in the stone, sand, and gravel (SSG) sector in the USA. Researchers from the National Institute for Occupational Safety and Health (NIO

    Feb 2, 2021

  • SME
    Application of Dot Tunneling Method to Construction of Multi¬service Utility Tunnel Adjacent to Important Structures

    By Akihiro Higashide, Roy H. Patten

    The DOT Tunneling method combines two conventional earth pressure balance shield machines in an overlapping cylindrical arrangement. The method allows two tunnels to be driven simultaneously with mini

    Jan 1, 1995