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  • ISEE
    A Review of Rock Classification Methods and Applicability to Blast Design

    By Hae-Moon Choi, Sang-Don Lee, Hee Soon Shin, Choon Sunwo, Chang-Ha Ryu, Hyun-Koo Lee

    Building tunnels means dealing with what rock is encountered. Relocation of the site of the underground structure is rarely possible. Tunneling engineers and miners have to cope with the quality of th

    Jan 1, 2004

  • ISEE
    A "Holistic" Approach of Blast Vibration Modeling and Prediction

    By Thierry Bernard

    Considering rock fragmentation by explosive as the ultimate goal in mines and quarries, vibrations are definitely one of the main drawbacks faced by the Industry. If we can accurately predict vibratio

    Jan 1, 2009

  • SME
    A 108-in Storm Tunnel Underneath Active Taxiways and Apron at O’Hare International Airport - NAT2024

    By Tim M. Benson, Adam L. Lamanna, Carolina Martinez-Gutierrez, Mark J. Stephani

    The Lower Concourse C Extension (LCE) 108-in Storm Sewer consists of a 2,797-foot long, 27 to 55-foot deep, 108-in I.D. storm sewer tunnel. Situated beneath active taxiways and a terminal apron at Har

    Jun 23, 2024

  • DFI
    A 16 M Deep Basement Excavation in Kuala Lumpur Karst: Mixed Retention Solution

    By Serhat Baycan, Mikias Yohannes

    "Kuala Lumpur Karst is a complex limestone formation that is characterized by presence of cavities, solution channels, pinnacles and floaters. Basement excavations in such geological formations are us

    Jan 1, 1900

  • AUSIMM
    A 3D Discrete Event Simulation Model of a Truck-shovel Network System

    By W Zeng, D Walker, D Cai, E Baafi

    "The efficiency of the truck-shovel haulage system is significantly influenced by the truck fleet size. A discrete event simulation model with 3D animation has been developed to estimate the productiv

    Nov 15, 2016

  • SAIMM
    A Bayesian network approach for geotechnical risk assessment in underground mines

    By L. Uotinen, M. Rinne, R. Mishra

    Underground mining gives rise to geotechnical hazards. A formal geotechnical risk assessment can help to forecast and mitigate these hazards. Frequentist probability methods can be used when the hazar

    Jun 1, 2021

  • CIM
    A Best Practice Database for Energy Management Initiatives in the Mining Industry

    By M. Y. Levesque

    The Australian Government?s Energy Efficiency Opportunities (EEO) program launched in 2006 obliges companies that use more than 0.5 PJ (petajoule) or roughly 139 GWh (gigawatt hour) per year to conduc

    Aug 1, 2013

  • SME
    A Better Mousetrap

    By B. G. Kelley

    The MIDREX® Direct Reduction Process was developed during the 1960s by the Midland-Ross Corporation, which had pioneered shaft furnace technology and stoichiometric gas reforming for use in processing

    Jan 1, 1998

  • SME
    A Billion Dollar Success Story Remediation And Rebirth Of The Omaha, NE Riverfront

    By J. M. Dempsey, R. A. Litle

    Asarco Incorporated’s Omaha, Nebraska refinery site and the City of Omaha’s downtown redevelopment projects are the perfect example of the marriage of the Brownfield and Sustainable Development strate

    Jan 1, 2004

  • AUSIMM
    A Black Canvas – Planning a Greenfield Coalmine in New South Wales

    By T W. C Stambolie

    Coalmines, like any other mine, generally involve the classic three-staged approach to mining studies; namely concept, pre-feasibility study (PFS) and feasibility studies (Cusworth, 2012). Subsequent

    Jun 28, 2016

  • SME
    A Blank Piece Of Paper - A Practical Approach To Mine Management ? Introduction

    By R. R. Smith

    The meaning of the title, "Blank Piece of Paper," refers to the need for management to take a completely fresh viewpoint to the problems facing our industry. These problems are so severe and some so n

    Jan 1, 1987

  • ISEE
    A Blaster’s Tool To Measure Fragmentation

    By Larry Mirabelli, David Lilly

    In 1777, the French naturalist, Georges Louis Leclerc, Compte de Buffon developed a statistical technique to estimate the width between two parallel lines by randomly throwing a needle at the two line

    Jan 1, 2008

  • ISEE
    A Blasting-induced vibration control approach for resuming blasting activity near tailing dams in the Quadrilátero Ferrifero region after “Brumadinho Dam Colapse”.

    By Marcus Neves, Eventomar Junior, Adilson Castro, Leandro Silveira, Sérgio Augusto

    The collapse of the Vale S.A. mining tailings dam in 2019, a tragic event that shook Brazil and the world, had consequences that transcended the immediate pain and devastation. Among them, the suspens

    Jan 21, 2025

  • SME
    A Blueprint for Performance-Driven Operations Management Mining, Metallurgy and Exploration

    By W. F. Visser

    The growing availability of information and data analysis capabilities of recent years provides new opportunities for improving the performance of mining operations. By using real-time measurements an

  • AUSIMM
    A Brief Description of the New Assay Office

    On account of the increased work required from the assay office, owing to the large additions which have been made to the smelting and superphosphate plants during the last few years, it was found nec

    Jan 1, 1918

  • CIM
    A Brief Overview of Mineral and Metallurgical Processing of Marine Ores

    By A. Ehsani

    "Seas and oceans constitute about 70% of the earth’s surface. They contain an enormous stock of various mineral resources such as sedimentary (marine placers), massive sulfide ore deposits, manganese

    Jan 1, 2016

  • CIM
    A Brief Summary of the Coal Spontaneous Combustion Research

    By Jerry C. Tien, Yingjiazi Cao

    "Coal spontaneous combustion (SponCom) is a natural phenomenon in underground operations, which can either happen naturally or be triggered by human activities. For underground operations, espe-cially

    Jan 1, 2019

  • SME
    A Bureau Of Mines Miniplant Project To Evaluate Alumina Recovery Processes

    By Ralph C. Kirby

    The U.S. produces about 34 percent of the world's aluminum yet must import 90 percent of the raw materials needed. There are abundant resources of aluminum-bearing minerals such as clay, anorthos

    Jan 1, 1974

  • AUSIMM
    A Capitals Based Approach – Leading Innovation in Planning for Life-of-Mine Sustainability

    By L Dyer, A Keith, G D. Corder

    As mining activity moves to remote and less developed locations globally, a holistic approach to mine development is fundamental for achieving a balance between strong financial returns and corporate

    Jul 16, 2014

  • ABM
    A Carbonização Continua - Carboval E A Cogeração De Energia

    By Fernando Lopes Latorre

    A cadeia produtiva do carvão vegetal que envolve as etapas de silvicultura, colheita e carbonização, tem passado por diversas mudanças nas últimas décadas. As produtividades volumétricas das florestas

    Oct 30, 2017