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  • SME
    Techniques for Assessing and Mitigating Longwall Subsidence Effects on Highway Bridges Mining, Metallurgy and Exploration (81ecdff2-8ca5-451f-abf7-490db849ce9c)

    By Yi Luo, Jian Yang, Hua Jiang

    Surface subsidence events induced by underground longwall coal mining operations can cause various disturbances to surface structures ranging from integrity and stability to functionality problems. Hi

  • SME
    Shanxi Wanjiazhai Yellow River Diversion Project—Lots II & III

    By Edgardo Fogli, Mario Lampiano, Antonio Nicola

    The project is located in the northern region of the People’s Republic of China and was awarded to Impregilo, as sponsor of the Wan Long Joint Venture, in September1997. The project consists of fo

    Jan 1, 2001

  • SME
    UK Seabed Resources - Sustainably Developing Deep Sea Minerals

    By Ralph Spickermann

    UK Seabed Resources (UKSR) signed a manganese nodule exploration contract with the International Seabed Authority on 8 February 2013 for a 58,000 km2 tract on the eastern edge of the Clarion Clipperto

    Sep 1, 2014

  • 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
    Mesothelioma And Asbestos

    By Graham W. Gibbs

    The current state of knowledge concerning mesothelioma risk estimates is reviewed. Estimates of the risk of mesothelioma exist for the commercial asbestos fiber types chrysotile, amosite and crocidoli

    Jan 1, 2007

  • SME
    Monitoring Successful NATM in Singapore

    By K. Zeidler, T. Schwind

    The Fort Canning Tunnel, Singapore, is an approximately 50 feet (15m) wide vehicular tunnel under shallow ground cover that has been constructed according to the principles of the NATM. Its shallow lo

    Jan 1, 2007

  • SME
    South Arturo, Nevada

    By R. Hipsley, D. Arbonies, P. Dobak

    South Arturo is a “Carlin-type”, breccia-hosted, oxide gold deposit located at the north end of the Carlin Trend. The discovery hole was drilled in July 2005 from mine dumps 1,000 feet south of the D

    Jan 1, 2007

  • SME
    Exploration Review (0aa637d4-de3b-49fc-9275-003815a21e5a)

    By D. R. Wilburn

    This summary of international mineral exploration activities for 2008 draws upon available information from industry sources, published literature and U.S. Geological Survey (USGS) specialists. The s

    Jan 1, 2009

  • SME
    Waterproofing And The New Austrian Tunnel Method (NATM)

    By A. Kevin Beaton, Robert W. Laakso

    The desire for dry passageways promotes the NATM as it provides a final support system most suitable for the installation of a waterproofing membrane. Waterproofing during construction is a cost effec

    Jan 1, 1991

  • SME
    Carbon Black Production From Waste Tires

    By B. P. Faulkner, M. Weinecke

    Svedala started a development program in 1997 to develop a process to convert waste tires into valuable commodities. A review of numerous approaches revealed short-comings in the various approaches

    Jan 1, 2001

  • SME
    Borehole Hoisting For Shaft Sinking And Development At Brunswick Mining And Smelting Corporation Limited, Bathurst, New Brunswick

    By W. R. Dengler, R. S. Brown

    In 1974, Brunswick Mining and Smelting Corporation Limited started a 48 million dollar expansion programme at their property in Bathurst, New Brunswick. A portion of the expansion plans includes a 26

    Jan 1, 1976

  • SME
    Bolivar Cu-Zn Skarn Deposit, Sw Chihuahua, Mexico - Introduction

    By T. Robyn

    The Bolivar Cu-Zn skarn deposit in the Piedras Verdes mining district of Chihuahua is one of many base and precious metal deposits in the north-northwest trending Sierra Madre Belt extending across th

    Jan 1, 2012

  • SME
    Peru Remains Committed to Its Mining Industry

    By Steve Kral

    Despite low commodity prices and mining industry cutbacks throughout the world, Peru remains one of the industry’s bright spots. The country’s remarkable economic turnaround during the 1990s remains

    Jan 1, 2000

  • SME
    Miners Remain Upbeat at NWMA Meeting

    By Steve Kral

    As the current boom in the global mining industry rumbles on, mining companies have had to step up their efforts to replace mined reserves. Many of the majors are replacing and adding to their reserv

    Jan 1, 2006

  • SME
    Pumpable Roof Supports: An Evolution In Longwall Roof Support Technology (aa067599-8739-4939-97db-53d31f797a34)

    By T. M. Barczak

    Pumpable roof supports provide an alternative approach to secondary support in underground mining. Unlike all other supports that are either partially or fully prefabricated prior to being transporte

    Jan 1, 2008

  • SME
    Developing And Implementing An Enterprise Reliability Strategy (ERS) In Mining Operations

    By J. W. Davis

    In the last few years major industrial companies have begun to realize the importance of Reliability as an enterprise strategy that, properly implemented, will improve financial performance. Typical

    Jan 1, 2003

  • SME
    Geotechnical Considerations No. 7 Subway Line Extension Project in New York City

    By P. K. Das, S. K. Singh, C. C. Chang, E. C. Wang, R. B. Roberts

    As part of the New York City’s redevelopment of the far west side of mid-town Manhattan, this project will add 1.5 miles of twin bored tunnel to No. 7 Subway Line. The proposed alignment extending fro

    Jan 1, 2005

  • SME
    Creating Wealth and Competitiveness in Mining

    By John E. Tilton

    The ability of companies and countries to mine copper and other mineral commodities competitively and in the process to generate new wealth depends on their mineral endowment. Chile, for example, pro

    Jan 1, 2003

  • SME
    GIBE II Tunnel Project?Ethiopia: 40 Bars Of Mud Acting On The TBM ?Special Designs And Measures Implemented To Face One Of The Most Difficult Events In The History Of Tunneling?

    By Antonio De Biase

    In October 2006, a 7m Double Shield TBM, boring through very poor volcanic formations, was pushed back by fluid mud, which presence had not been detected during previous field investigations, due to t

  • SME
    Thermoanalytical Study On The Oxidation Of Sulfide Minerals At High Temperatures

    By S. E. Pérez-Fontes

    An experimental study on the oxidation of chalcopyrite (CuFeS2), pyrite (FeS2), covellite (CuS) and chalcocite (Cu2S) particles was conducted by means of differential scanning calorimetry (DSC) and th

    Jan 1, 2007