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  • SME
    Risk Modelling Techniques for Complex Tunnelling Projects from Deterministic to Probabilistic Methods: Have We Done Enough? - NAT2022

    By P. Sander, M. Spiegl, J. Reilly, A. Van Droogenbroeck

    Although the outdated idea of calculating risk as the deterministic product of its likelihood and impact is not entirely a thing of the past, a multitude of organizations have adopted the usage of pro

    Dec 1, 2022

  • SME
    Deep Cut -Ground Control And Worker Safety In Coal Mines (SME Annual Meeting March 1-3, 1999, Denver, Colorado)

    By E. R. Bauer

    The trend in underground room-and-pillar coal mining is to employ remote-control continuous mining machines and extended cuts, 12 m (40 ft) deep or more. This system of coal extraction, adopted by ove

    Jan 1, 1999

  • SME
    Carbon Footprint Reduction in Montreal Blue Line Extension - RETC2023

    By V. Nasri, P. Jarast, M. Bakhshi

    The Montreal metro Blue Line Extension toward the northeast consists of the construction of five new underground stations. The project includes 6 kilometers of the tunnel which will be constructed usi

    Jun 13, 2023

  • SME
    Iron Mining: The Problems Of Plenty

    By Walfrid Been

    There are no particular nor unique features of iron mining that are not shared in some degree by all mining ventures everywhere. There are, however, at least three problems that have acquired a specia

    Jan 1, 1964

  • SME
    A Structured Approach For Integrating Process Control, Engineering And Business Systems

    By J. M. Applegate

    In the same way that a blueprint communicates information about a structure, a useful systems architecture should provide information that guides the construction and implementation of computing syste

    Jan 1, 1998

  • SME
    Opening Supports to Segmental Linings:A Novel Shotcrete Support Solution (4dda697d-11f6-4774-84f0-12e4af00636d)

    By Anthony Harding

    In a world of technology and electronic communication, it is easy to forget what engineers do best with a problem: sitting around a table, exchanging views and ideas with sketches and respecting every

  • SME
    Optimizing Mill Performance: Real—Time Grinding Insights - SME Annual Meeting 2025

    By Karl Gugel, Dante Garcia, Peter Czel, Eduardo Nunez, Joshua Morales, Boris Sullcahuaman

    Real-time operational excellence is achieved through the seamless integration of various components. Key aspects include precise instrumentation, real-time data collection, data analytics, and an effi

    Feb 1, 2025

  • SME
    Subsurface Investigations By Seismic Refraction ? Introduction

    By Eugene A. Hickok

    Seismic surveys utilizing the MD-1 have been performed by Geophysical Specialties Company since 1957 in many parts of the, U. S. and Canada and in several foreign countries. These surveys have proven

    Jan 1, 1962

  • SME
    Hydrologic Considerations In Mine Closings

    By Allan M. Johnson

    Dewatering is a major operational cost at sane mines. Under certain conditions, costs associated with water disposal may continue beyond the productive life of the mine. For mines with mineralized wat

    Jan 1, 1983

  • SME
    MSHA Update

    By Henry Chajet

    Good morning, it is truly an honor to have been invited to speak before you today Before I begin my update on MSHA's activities, I?d Like t o quickly say a few words about the American mining con

    Jan 1, 1981

  • SME
    Evaluation of Mining Methods and Systems

    By Jan M. Mutmansky

    Since 1973 when the first edition of the SME Mining Engineering Handbook was published, many significant changes have occurred in the US mining industry. The industry went through a fairly prosperous

    Jan 1, 2008

  • SME
    Mine Evaluation and Investment Analysis

    By Donald W. Gentry

    This section deals with one of the most fascinating aspects of mining the evaluation of mine investment opportunities. Be-fore proceeding further, it is important to clarify the meaning of some fundam

    Jan 1, 2008

  • SME
    New Techniques In Beneficiation Of The Florida Phosphates Of The Future - Introduction

    By James E. Lawver

    At the present time, the Florida phosphate industry is experiencing one of the worst marked slumps in its one hundred year history. Recent agriculture over-production has caused low grain prices such

    Jan 1, 1983

  • SME
    NAT 2014 Full Proceedings - NAT2014

    By Gregg Davidson, Lonnie Jacobs, Brett Zernich, Alan Howard, Robert Pintabona

    All Rights Reserved. Printed in the United States of America. Information contained in this work has been obtained by SME, Inc. from sources believed to be reliable. However, neither SME nor its autho

    Dec 1, 2014

  • SME
    Interpreting Entry Stability and Geologic Hazards Utilizing Borescopes

    By T. Klemetti, W. H. Su, M. A. Van Dyke

    Entry stability in coal mines is dependent on geologic conditions and engineering controls. Most engineering controls in ground control are predictable and standardized for typical geologic conditions

    Jan 1, 2019

  • SME
    Mineralogy, Alteration, And Geochemical Studies Of The San Luis Gold Deposit, Costilla County, Colorado

    By A. Kaina

    The San Luis deposit is one of the few documented gold deposits on a detachment surface. This paper presents mineralogic and geochemical data that was gathered to characterize the mineralization, clas

    Jan 1, 1994

  • SME
    New Process for Recovery of Ultra Fine Coal by Pre-Treatment with Surfactant - Mining, Metallurgy & Exploration (2021)

    By P. Samanta, Mohammed N. Azad, Gustad F. Taraporewalla, A. K. Mukherjee, Abhay S. Patra, D. Sachinraj

    Beneficiation of coal is a water intensive process, and the water is recovered in downstream operations in the high rate thickener (HRT) and vacuum belt filtration (VBF). Clean coal particles entering

    Sep 30, 2021

  • SME
    Economic Considerations Of Comminution Circuits

    By Wendi H. Cooksey

    This paper examines two comminution circuits on a hypo­thetical gold ore deposit with both small-scale (1,000 short tons per day) and large-scale (35,000 short tons per day) production rates. The most

    Jan 1, 1998

  • SME
    A Comparative Study of Two Centrifugal Concentrators

    By A. R. Laplante

    In this paper, the performance of the Knelson Concentrator and of the batch and continuous Falcon Concentrators are compared. The units are based on different operating principles, and perform quite d

    Jan 1, 1993

  • SME
    Heap Leaching 2 Metallurgical Management Of Heap Leaching: Recovery Prediction And Monitoring And Water Balance Management.

    By Mike Jahraus

    The topic I would like to throw out for discussion this morning concerns the metallurgical solution management of operating a valley fill leach facility where ore depths approach 250 feet and deeper.

    Jan 1, 1999