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  • SME
    Urban Resource Issues: Construction Aggregate Assessment

    By M. Rice, M. Stanley, J. Marlow

    Arizona construction aggregate industry remains in the crosshairs of public debate, caught between the need for aggregate-based building materials and alternative, high-value land-uses. To better mana

    Jan 1, 2002

  • SME
    Incorporating Cycle Time Dependency In Truck-Shovel Modeling

    By A. Anani

    The need to optimize surface mining operations has led to the use of discrete event simulation (DES) modeling of truck-shovel systems. Often, these models assume truck cycle times are independent and

    Feb 27, 2013

  • SME
    Invensys Showcase Highlights Process Control Technologies

    By Steve Kral

    In a lagging economy where profits are tight, businesses cut costs. No revelation there. The mining industry, though, has always looked for ways to reduce production costs — no matter the state of t

    Jan 1, 2002

  • SME
    Characterization Of Goldstrike Ore Carbonaceous Matter

    By J. F. Stenebråten, W. P. Johnson, D. R. Brosnahan

    Carbonaceous material (CM) from ores of varying preg-robbing activity from Barrick Goldstrike Mines Inc. (BGMI), Nevada, was characterized in terms of its functional group content, hydrocarbon content

    Jan 1, 1999

  • SME
    Design, Construction And Start-Up Of The Ilo Smelter Modernization Project

    By H. Walqui, C. Noriega

    Southern Copper Corporation (SCC) is one of the world’s largest copper companies and is finishing the modernization of the Ilo copper smelter. A single ISASMELTTM furnace will start smelting 1,200,000

    Jan 1, 2007

  • SME
    Role Of The Mill In A Competitive Minerals Company - Is Low Cost Enough?

    By Bruce Cavender

    Historically, the processing function has been regarded as efficiently managed as long as production costs were kept low, recovery was adequate and sufficient plant capacity was avail-able. In this pa

    Jan 1, 2008

  • SME
    The Factorial Model As A Way Of Thinking About The Results Of A Multi-Factor Lab Experiment Or Plant Trial

    By F. Bruey

    The Factorial Model Experimenters are often interested in systems that are multi-factorial. A multi-factorial system is one whose output is believed or known to be dependent on the particular setti

    Jan 1, 2007

  • SME
    Designing To Protect Adjacent Structures During Tunneling In An Urban Environment

    By Marco D. Boscardin, Paul A. Roy, Kevin J. DiRocco, Andy J. Miller

    The North Shore Connector Project for the Port Authority of Allegheny County involves TBM mining a pair of subway tunnels through soil and rock under the Allegheny River and a narrow city street. Alon

    Jan 1, 2007

  • SME
    Drainage Ph, Acid Production, And Acid Neutralization For Archean Greenstone Rock

    By K. A. Lapakko, D. A. Antonson

    Fourteen samples of pyrite-bearing Archean greenstone rock (d < 6.35 mm, 0.04% < St < 1.22%) were characterized (particle size, chemistry, mineralogy) and subjected to laboratory dissolution testing.

    Jan 1, 2002

  • SME
    Triboelectric Belt Separator For Beneficiation Of Fine Minerals (f4cab3ef-b167-4b85-862c-1e7644f0d45f)

    By J. D. Bittner

    The ST separator utilizes electrical charge differences between materials produced by surface contact or triboelectric charging. When two materials are in contact, material with a higher affinity for

    Feb 27, 2013

  • SME
    Producing a GIS Based Multi Attribute Decision Making for Social and Environmental Sustainability Assessment in a Copper Mine in Iran

    By B. Farshadi, B. Asi, M. J. Habibian

    "Dare-Zereshk deposit is one of the deposits supplies ore for Taft copper Complex in Iran Yazd province. This deposit is situated underneath a village the same name. Prior to mining activities, the vi

    Jan 1, 2011

  • SME
    Optimization of Tellurium and Antimony Extraction from Residue Generated in Alkaline Sulfide Leaching of Tellurium-Bearing Alkaline Skimming Slag Using Central Composite Design Mining, Metallurgy and Exploration (e0c562d4-30bd-4458-b8cb-8e6a1cd409aa)

    By Qinghua Tian, Zhipeng Xu, Dong Li, Xueyi Guo, Liu Zhu

    A possible process for extracting tellurium and antimony from a residue generated in alkaline sulfide leaching of telluriumbearing alkaline skimming slag was proposed. The central composite design was

  • SME
    Disc Cutter Performance in Boulder-Laden Ground ? Introduction

    By D. S. Kieffer

    Ground characterized by hard boulders embedded in soft matrix represents one of the most challenging conditions for TBMs, as the cutterhead must cope with the non-optimal conditions of cutting hard bl

    Jan 1, 2008

  • SME
    Evaluation of Whole‑Body Vibration Exposure of Dozer Operators, a Task‑Based Approach

    By Bülent Erdem, Zekeriya Duran, Tuğba Doğan

    The objective of this study was to evaluate the potential health risk associated with exposure of dozer operators to whole-body vibration. Measurements were made on 31 dozers used in different surface

    Jun 16, 2022

  • SME
    Tying Acceleration And GPS Location Information Together To Create A Mine Management Tool (46eb7fa8-c025-4c28-b865-1393c124ce32)

    By J. Walden, S. Rhoades, R. E. Miller, R. Gibbs, P. Boman

    Accelerometers and pressure transducers mounted in suspension components can be used to monitor the ride of haulage trucks. Presently, it is difficult to tell what caused a jolt to the truck using eit

    Jan 1, 1999

  • SME
    The Utilization Of Coarse Pre-Concentration Rejects In The Preparation Of Underground Backfills At Xstrata Nickel?s Ontario Operations

    By T. Weatherwax

    As part of a strategic research initiative at UBC to design and evaluate integrated underground mining and mineral processing systems, work has been done to determine how to utilize the coarse rejects

    Jan 1, 2008

  • SME
    Exploratory Shaft Design For The Salt Repository Project

    By S. A. G. Poppen, M. B. Mirza, A. I. Cooley

    The U.S. Department of Energy (DOE) is responsible for siting and constructing a licensed geologic repository for commercially generated high-level nuclear waste. Within DOE, the Office of Civilian Ra

    Jan 1, 1987

  • SME
    Social sustainable development in Vietnamese coal mining industry - challenges in occupational safety and health

    By J. Kretschmann, N. Nguyen

    "The Vietnamese economic growth of more than 5% per year leads this country to an enormous demand for raw materials. In the duration of ongoing expansion, the big challenge in the coming decades will

    Jan 1, 2011

  • SME
    Investigations On Recovery Of Hematite From Two Different Banded Iron Ores By Flotation

    By B. Das

    Hematite floatability from two low grade banded iron ores of India, namely banded hematite quartzite (BHQ) and banded hematite jasper (BHJ) using fatty acids and amine as the collectors is investigate

    Feb 27, 2013

  • SME
    Tunneling Safety -- Regulations And Rewards

    By Robert Vergie

    Like most of you, I would rather work on a job than talk about it. But it is fruitful to spend some time taking stock of important developments in the heavy construction field. One of the strongest

    Jan 1, 1974