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  • SME
    Drill & Blast Implementation Case Study at Multiple Freeport-Mcmoran Sites

    By L. Gutierrez, S. Gering, C. Calderon-Arteaga

    "Drill and blast represent the most important, and sometimes the costliest processes in the mine. The cost of drilling and blasting operations greatly contributes to the “high cost trends of the overa

    Jan 5, 2017

  • SME
    SIU-Sim: A Novel Coal Preparation Plant Simulator

    Coal preparation plant simulators are used to study flowsheet alternatives and determine product quality and quantity that can be produced under various operating conditions for individual circuits. S

    Jan 1, 2008

  • SME
    Performance Characteristics Of Geogrid When Used For Roof And Rib Surface Control

    By D. R. Dolinar

    Geogrids can be used as surface control on both the roof and rib in underground mines to prevent the fall of small pieces of rock and material from between the primary supports. The use of screen mate

    Feb 27, 2013

  • SME
    Bio-Indicator Evaluation of Water Quality Impacts from Inactive and Abandoned Mines in the Bear Butte Creek Basin of the Black Hills

    By A. D. Davis, J. L. Sorensen, C. J. Webb

    Environmental impacts from acidic mine drainage are growing national concerns that are particularly acute in the headwaters of the Rocky Mountain region. In the Black Hills of South Dakota, approximat

    Jan 1, 1999

  • SME
    Rare Earth Elements (REE) Deposits In New Mexico

    By V. T. McLemore

    Deposits of rare earth elements (REE) are found in NM, but they have not been important exploration targets in past years because demand has been met elsewhere. However, with the projected increase in

    Jan 1, 2012

  • SME
    CART?: A Fundamental Tool For Process Circuit Design

    By A. Noble

    The design of separation circuits can be a complex, labor-intensive and costly process. While the engineer?s experience along with extensive data sets and simulation are crucial tools for determining

    Feb 27, 2013

  • SME
    Application Of Modern Technology In Today’s Limestone Quarry Operation

    By B. Moore, Y. J. Zhang

    In today’s competitive dimensional stone business environment, use of available technology is critical to achieve and maintain a competitive advantage. Awareness of improvements in diamond cutting tec

    Jan 1, 2004

  • SME
    Inner City Slurry Tunneling—Project Asdam, Antwerp, Belgium

    By Klaus Rieker

    North of Antwerp central train station, two single-track tunnels for the high-speed train line between Brussels and Amsterdam were constructed. At the same time, the central train station was modified

    Jan 1, 2007

  • SME
    Design And Construction Of The Lenihan DAM Outlet Tunnel And Shaft

    By Hemang Desai

    A damaged outlet pipe beneath Lenihan Dam has restricted reservoir discharges, severely constraining the owner?s groundwater recharge program. The solution, a new outlet pipeline through the dam?s rig

  • SME
    Managing Safety In The Mining Industry

    By F. Nelson

    RJB Mining is the largest coal producer in the UK. In January 1995 the Company acquired the Central North and Central South Regions of British Coal consisting of: ? 15 operating collieries -includin

    Jan 1, 1998

  • SME
    American College Tunnels in Athens, Greece—Design and Construction of Very Large Diameter Tunnels in Rock

    By S. Schina

    Part of the Imittos Western Peripheral Motorway in Athens is the twin road tunnel in the vicinity of American College, with 20m excavation diameter. In the paper, the environmental and other requireme

    Jan 1, 2001

  • SME
    Design, Excavation, Support Of A Large Diameter Coal Mine Access Decline Using A Tunnel Boring Machine

    By Steve Polegato, J. Coady Marsh, Gary Landry

    The Donkin-Morien Mine in Cape Breton, Nova Scotia, has successfully completed the excavation of a 7.6m (25-ft) diameter access decline over a distance of 3.5km out under the Atlantic Ocean. The tunne

    Jan 1, 1985

  • SME
    Collaborative Strategic Research Initiatives: Their Benefits and Best Practice Approaches for Establishing the Same

    By Daniel Brutto

    "Environmental considerations are a key driver within marine mining consenting processes across different national and international legislative regimes and are critical in shaping the global public p

    Sep 1, 2014

  • SME
    WROC ? An Improved Waste Rock Oxidation Code

    By S. Sunkavalli

    Acid rock drainage (ARD) is produced when sulfides are exposed to oxygen and water. Oxidation reactions typically result in a depression of pH and leaching of solutes and metals. Many oxidation models

    Feb 27, 2013

  • SME
    Modeling For Real-Time Performance Measurement: A Strategic Approach

    By Russell Barr, Robert E. Cook

    As most mining companies are taking advantage of the high market prices for base metals such as steel, copper and zinc, numerous challenges still face them. While demand is strong from countries like

    Jan 1, 2007

  • SME
    Application Of Background Oriented Schlieren (BOS) For The Qualitative Analysis Of Flow Through A Regulator

    The schlieren technique describes an optical analysis method designed to enhance light distortions caused by air movement. The ability to visualize air flow has significant implications for analyzing

    Jan 1, 2011

  • SME
    Finite Element Assessment Of The Influence Of Caving On Barrier Pillar Loads In Deep Coal Mines - Introduction - Preprint 09-065

    By W. G. Pariseau

    Conventional barrier pillars in underground coal mines are intended to protect mains and sub-main entries for relatively long periods of time. Inter-panel barrier pillars that may be used in especia

    Jan 1, 2009

  • SME
    Analysis of Fall-Related Imminent Danger Orders in the Metal/Nonmetal Mining Sector Mining, Metallurgy and Exploration

    By Mahiyar Nasarwanji, Jonathan K. Hrica, Jonisha P. Pollard, Lydia M. Kocher, Brianna M. Eiter

    Within the metal/nonmetal mining sector, fall-related incidents account for a large proportion of fatal and non-fatal injuries. However, the events and contributing factors leading up to these inciden

  • SME
    Introduction (f248dc61-7d23-42d4-878e-d425d635fc78)

    By Christopher J. Bise

    PRINCIPLES OF MINE PLANNING During the initial planning stages, all mining operations are analyzed and evaluated in a similar fashion. This similarity holds true because the mine-planning procedure ca

    Jan 1, 1986

  • SME
    A Speacil Report China's Emerging Mining Industry - A Long March Towards Modernization

    By K. P. Wang, Ta M. Li

    The Chinese energy and mineral industries are readying themselves for a period of dynamic transition, unprecedented in the country's long and sometimes turbulent history. The transition comes as

    Jan 3, 1980