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  • AUSIMM
    The Porgera Gold Deposit Structure, Alteration and Mineralisation

    By T Leach, B Fulton, R Stewart

    Gold mineralisation at Porgera is inferred to have been derived from a deep differentiated magmatic source which is capped by a series of (now tilted) inward dipping sills and stocks, which comprise t

    Jan 1, 1995

  • AUSIMM
    Use of Small-Scale Passive Systems for Treatment of Acid Mine Drainage

    By P Gunn, M Watts

    The general goal of passive acid mine drainage (AMD) treatment is to reduce levels of acidity and metals to acceptable levels. Most treatment systems use either an oxidising or a reducing strategy. In

    Jan 1, 2005

  • DFI
    Izmit Bay Bridge Crossing: Integrated Multidisciplinary Approach Reduces Risk And Lowers Overall Project Cost For Bot Bridge Consortium

    By Jacob Chacko

    The Izmit Bay bridge, a 3-km-long suspension bridge crossing of Izmit Bay, Turkey is planned to be constructed in one of the most seismically active places in the world. The site, which has the poten

    Jan 1, 2011

  • SAIMM
    Design of lining system for a pressure tunnel on the base of interaction between rock and lining

    By A. Kazemi, M. A. Ahmadi

    Pressure tunnels are constructed nurously in related with powerhouse. In some cases, according to high internal water pressure, rock mass around tunnel can seldom suffer this pressure. So installation

    Jan 1, 2003

  • SME
    Environmental Evaluation Of The Belle Eldridge Mine Near Deadwood, South Dakota

    By A. D. Davis, C. J. Webb, C. S. Johnson

    The Belle Eldridge Mine is an inactive lead-zinc mine in Spruce Gulch south of Deadwood, South Dakota. Acidic mine drainage (AMD) produced at the site drains into Spruce Creek, a tributary of Whitewo

    Jan 1, 2000

  • CIM
    Analyse des modèles économiques des coûts de minage pour les études de préfaisabilité

    RÉSUMÉ L’estimation la plus précise possible des coûts de minage est d’extrême importance pour les études de préfaisabilité afin de diminuer les risques financiers des projets miniers. Les méthodologi

    Jan 1, 2010

  • CIM
    Geomechanical Studies of an Alpine Rock Mass

    By Tiziana Apuani

    The study refers to an area of about 70 km2, extended in the Italian Central Alps along the the San Giacomo Valley where different civil and mining works are present The regional geological setting is

    May 1, 2009

  • TMS
    Recycling System of Waste Materials from Discarded Mobile Phone

    By Kunihiko Takahashi, Gjergj Dodbiba, Hisayoshi Umeda, Toyohisa Fujita

    "An increasing number of mobile phones is increasing the number of the discarded mobile phones. Many efforts are thus being made to collect and recycle these devices. This paper is a short introductio

    Jan 1, 2008

  • DFI
    Caltrans Bridge Seismic Design/Retrofit Criteria ? Synopsis

    By Brian Maroney

    In this paper an overview of the California Department of Transportation's (CALTRANS) bridge design criteria is presented. Special emphasis is focused upon seismic design and retrofit criteria. T

    Jan 1, 1993

  • SAIMM
    Geotechnical parameters characteristics for a kind of schist in Iran

    By A. Fahimifar, H. Soroush

    Abstract: Triaxial tests were conducted on the schist specimens with various anisotropic angles under confining pressures of 0, 7 and 15 MPa, and axial stress-axial strains, were measured and plot

    Jan 1, 2003

  • SME
    Design and Construction of the Fields Point Tunnel Pump Station for the Narragansett Bay Commission CSO Abatement Program, Providence, Rhode Island ? Introduction

    By Geoffrey Hughes

    The Narragansett Bay Commission (NBC) is a regional sewer authority that serves ten communities in the Providence, Rhode Island metropolitan area. From 1992 to 1999, the NBC developed a comprehensive

    Jan 1, 2008

  • SAIMM
    Investigating Entrainment Levels in Lumwana and Kansanshi Ores using the Froth Stability and Water Recovery Methods

    By L. K. Witika, J. H. Masinja

    "Investigations of flotation characteristics of Lumwana and Kansanshi ores using formulated frothers were carried out. Of the six frothers tested, two came from the alcohol family, two from the glycol

    Jan 1, 2015

  • SME
    Rock Engineering Aspects of Designing Large Span Caverns at Depth in the Deep Underground Science and Engineering Laboratory

    By C. Laughton

    Construction of a Deep Underground Science and Engineering Laboratory(DUSEL) is proposed under the auspices of the US National Science Foundation(NSF). DUSEL will provide scientists and engineers with

    Jan 1, 2007

  • DFI
    Simbat : High Strain Dynamic Test Of Piles

    By Dominique Vié

    Standards methods covers the procedures for testing deep foundation to determine the force and velocity response to an impact of a pile driving hammer or similar device. The results of analysis genera

    Jan 1, 2002

  • AUSIMM
    Quantification and Controls on as Distribution in Westland, NZ

    By D Craw, J Pope

    The Greenland Group, Westland, can be characterised with respect to environmental issues by the application of a GIS database (DAME), and specific sampling campaigns. Waters draining gold mineralised

    Jan 1, 2006

  • ISEE
    Highway Lane Rental Requirement Compromises Blast Site Safety and Security

    By Harry L. Siebert

    A major Arizona highway project is jeopardizing site safety and security because of the lane rental policy. One million cubic yards of rock must be fragmented to provide two additional lanes parallel

    Jan 1, 1997

  • DFI
    Load In A Drilled Foundation. Where Did It Go And When Did It Get There?

    By Walter E. Vanderpool

    Three drilled foundations for an elevated water-tank were instrumented, tested and monitored during construction and the first two years in service. One shaft was load tested by the Osterberg method.

    Jan 1, 2004

  • NIOSH
    RI 4271 Manufacture Of Sponge Iron In Ceramic Tunnel Kilns

    By V. H. Gottschalk

    Sponge iron is a product resulting from the reduction of an iron oxide below the temperature at which the product melts. Commercial grades usually contain 80 to 95 percent metallic iron, 2 to 5 percen

    Jan 1, 1948

  • NIOSH
    IC 9490 - Job Training Analysis: A Process For Quickly Developing A Roadmap For Teaching And Evaluating Job Skills

    By James M. Baugher, Donald W. Conrad, William J. Wiehagen

    This report describes a process for quickly developing information that is useful for skills training. The process is called job training analysis (JTA). Its main use is to structure skills training

    Jan 8, 2006

  • SME
    Experiences with Undermining by Coal in South Africa

    By J. N. Van der Merwe

    The paper provides an overview of subsidence research which was done by the Sasol Company in South Africa over a period of more than six years. The magnitudes of subsidence elements in South Africa ar

    Jan 1, 1986