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  • SME-ICGCM
    Ground Control Practice at Leeville Underground Mine

    By Changshou Sun

    The geotechnical properties of mining zones at Leeville Underground mine (or simply called Leeville mine through this paper) are different from one zone to another. The typical ground condition is poo

    Jan 1, 2013

  • SME
    Geology Of The Central City Area, Colorado - A Laramide Mining District

    By Paul K. Sims

    The Central City district is one of several adjacent mining areas in the Front Range, Colorado, that contain precious metal-bearing sulfide veins of Laramide (Late Cretaceous and early Tertiary) age.

    Jan 1, 2013

  • CIM
    Insurability of Unknown Postclosure Liabilities

    By C. Kunze

    ABSTRACT Although closure sureties cover works that are carried out during the existence of a mining company, certain liabilities are not known when the surety is established and become apparent only

    Jan 1, 2013

  • CIM
    Goldex, the GRG Jewel (f7d6adb6-5ccd-46eb-a997-fe635a7b545b)

    By G. Belzil, F. Robichaud, M. Fullam

    ABSTRACT The Goldex mining and milling complex is operated by Agnico-Eagle and is located in the Abitibi greenstone region of northwestern Quebec, Canada. Commercial production started in 2008. Averag

    Jan 1, 2013

  • ISEE
    The Statistical Analysis of Site-Specific Blasting Data Using Prediction Intervals and Tolerance Intervals

    By Perry Sisk

    In order to protect nearby structures during a blasting project, a peak particle velocity limit is often stipulated by a government agency or the owner of a particular structure. At the start of a bla

    Jan 1, 2013

  • SAIMM
    What Is The Best Energy-Delivery System For Hand-Held Stope Drilling And Associated Equipment In Narrow-Reef Hard Rock Mines? ? Synopsis

    By P. J. Petit

    Changing mining conditions, legislative issues, rising costs, and the constrained supply of skills and electricity in South Africa, have been some of the criteria forcing mine operators and engineers

    Jan 1, 2013

  • DFI
    New Orleans Levee Improvement Project: An OPA Contender

    By Filippo Leoni, Wesley Schmutzler

    "The LPV-111 East Back Levee Improvement Project lies along the Gulf Intracoastal Waterway (GIWW) in Orleans Parish of New Orleans, La., and is an essential component of the New Orleans Hurricane Prot

    Jan 1, 2013

  • TMS
    Study on the Hydraulic Ash-Slag Cementitious Composites (HA-SC) Solidification of Dredged Sludge

    By Xinghua He, Shujing Zhu

    "In this paper, the chemical composition, the content and the leachability of heavy metals in dredged sludge are tested and analyzed. It is shown that the leachability of Pb and Cr exceeds the leachin

    Jan 1, 2013

  • TMS
    Infrared Radiation Properties of CuO-ZnO-Based Sintered Material Prepared for Energy-Saving Coating

    By Chao Lian, Hongxu Li, Hao Bai, Wei Wei

    "Application of high-emissivity coating on inner walls in industrial furnaces increases the furnace thermal efficiency. The coating with high emissivity strengthens radiation heat transfer in the furn

    Jan 1, 2013

  • DFI
    Geophysical Methods For Site Characterization For Marine Foundations

    By Richard E. Sylwester

    Evaluating surface and subsurface conditions for marine foundations (bridges, causeways, terminals, etc.) is often done with a limited amount of data. Subsurface information for these projects is pri

    Jan 1, 2013

  • CIM
    From Theory to Practice: Designing For Situation Awareness to Transform Shovel Operator Interfaces, Reduce Costs, And Increase Safety

    By E. Onal, C. Craddock, A. Chapman, M. R. Endsley

    ABSTRACT Mining equipment operators must interpret and respond to complex information delivered by technology-centric rather than user-centric systems. The ability to achieve high situation awareness

    Jan 1, 2013

  • ISEE
    A New Way of Looking at Risk and QD Compliance

    By Lon Santis, Michael Swisdak, John Tatom

    The Institute of Makers of Explosives (IME) and A-P-T Research, Inc. (APT) have developed a quantitative risk assessment tool called IMESAFR (IME Safety Analysis for Risk) for managing risk from vario

    Jan 1, 2013

  • ISEE
    Monitoring of Dynamic Borehole Pressures

    By B. Papilon

    Dynamic pressures during blasting can affect performances of both electronic and non-electronic detonators. Boreholes can develop tremendous amount of pressures during blasting. The effect of such ele

    Jan 1, 2013

  • TMS
    Constant Permeability of Fe-B-Si-Nb Crystal-Glassy Composite Bulk Alloy by B2O 3 Flux Melting and Casting

    By Teruo Bitoh, Shogo Izumi

    "The effect of B203 flux melting on the structure and the soft magnetic properties of the (Feo.1sBo.20Sio.os)96Nb4 bulk metallic glasses prepared by casting has been investigated. The ringshaped bulk

    Jan 1, 2013

  • DFI
    Underwater Sound Attenuation In Construction Projects: Applying Science To Pile Driving Permits

    By Alan Christopherson

    Nearshore construction projects often require installation of steel piles and specific methodologies of installing piles may adversely affect nearby species of concern. Water is an uncompressible med

    Jan 1, 2013

  • DFI
    Design Of The Marine Foundations For The Skyway Project Of The San Francisco Oakland Bay Bridge

    By Gerry Houlahan

    The east span of the 3.5 km long SF-Oakland Bay Bridge is supported by different types of foundations along its span. Starting from the west, its first 460 m section comprising twin concrete box-girde

    Jan 1, 2013

  • SME
    Exploration Company Teams With Atlas Copco For Stealth Rig For Sensitive Ecologies

    Energold Drilling Corp. is a leading specialty drilling company servicing the mineral and energy sectors in the Americas, Africa and Asia. Energold specializes in mineral exploration in remote locatio

    Jan 1, 2013

  • CIM
    Autogenous grinding mills for diamond liberation

    By J. E. Danoczi

    ABSTRACT A diamond processing plant is being designed for the Star–Orion South diamond project in central Saskatchewan. Key to the plant is diamond liberation, which occurs in the comminution section

    Jan 1, 2013

  • CIM
    Gold Passivation: Reconciling Cyanidation Circuit Performances Using Laboratory Testing

    By A. Azizi, P. Blatter, A. Bouajila

    ABSTRACT In-situ monitoring of gold dissolution by means of a rotating electrochemical quartzcrystal microbalance unveiled dramatic decreases in gold leaching from sulphide-rich ore after 360 minutes

    Jan 1, 2013

  • CIM
    Electric Load-Haul-Dump Machines: Real Alternative for Diesels?

    By J. Paraszczak

    ABSTRACT Diesel-powered loaders are a pillar of modern underground metal mining. As these mines are getting deeper and hotter and the emission regulations stricter, ventilation costs are soaring, affe

    Jan 1, 2013