Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • SME-ICGCM
    Subsidence Prediction From The Beginning - Collie Coal Basin (Western Australia) (dce863fc-d411-440e-9991-cfa750adc084)

    By Ian Misich

    Surface subsidence resulting from "total extraction" of coal in the Collie Basin first occured in 1987 when Western Collieries Ltd trialed the Wongawilli mining method. Because very little quantitativ

    Jan 1, 1992

  • SME-ICGCM
    Evaluation Of Tailgate Ground And Support Interaction In The Illinois Basin For The Development Of A Ground Reaction Curve Based Standing Support Design (b187e562-fd74-46c1-b2f9-93667db20030)

    By Dennis Dolinar

    Improperly designed support systems have led to unplanned roof falls in longwall tailgates. To prevent such falls requires appropriate support and adequately designed support systems. The National Ins

    Jan 1, 2009

  • SME-ICGCM
    The Forensics Of Underground Roof Falls (c5c31282-77d4-44b1-8aa1-d01534eb267d)

    By Steve Tadolini

    Underground roof falls can have devastating effects on the safety of operations personnel, and equipment, and seriously impact production. Immediate steps are usually taken to danger off and secure t

    Jan 1, 2009

  • SME-ICGCM
    A Stability Factor for Supported Mine Entries Based on Numerical Model Analysis

    By Gabriel S. Esterhuizen

    This paper addresses the need for a method to compare the effectiveness of different support systems when designing ground support in coal mines. At present, support design methods include empirical m

    Jan 1, 2012

  • SME-ICGCM
    Techniques To Investigate Subsidence Events Over Inactive Room-And-Pillar Mines (f8b483c2-2524-4334-950b-cd6315d7aeaa)

    By Yi Luo

    Subsidence events occurred over inactive room and pillar (R&P) mines, including abandoned mines or sealed portions of active mines, are classified as unplanned subsidence because of their timing and d

    Jan 1, 2009

  • SME-ICGCM
    Microcomputer Simulation of Rock Blasting to Predict Fragmentation (e1b89d1b-bf88-4e3c-9f38-0d3739330b7a)

    By C. Dinis da Cama

    In order to reduce the complexity of mechanisms influencing rock- fragmentation by blasting a simulation approach is proposed, using the capabilities of micro-computer interactive graphics. Situat

    Jan 1, 1984

  • SME-ICGCM
    Application Of Tomographic Imaging To Stability Assessment

    By Hamid Maleki

    Roof falls are one of the leading ground control problems that adversely influence productivity and worker safety in underground mines, construction sites, and nuclear waste repositories. To control r

    Jan 1, 1996

  • SME-ICGCM
    Laboratory And Field Characterization Of Immediate Floor Strata In Illinois Basin Coal Mines

    By Yoginder P. Chugh

    The characteristics of weak floor strata associated with actively mined coal seams in Illinois are very important from ground stability point of view and, in many cases, are the governing factors in d

    Jan 1, 1989

  • SME-ICGCM
    Assessment and Mitigation of Subsidence Effects on a Tall Self-Supporting and Free-Standing Communication Tower

    By Yi Luo

    A longwall mining operation went under a tall, self-supporting and free-standing wireless communication transmission tower. In anticipation of that the ground subsidence process might affect the trans

    Jan 1, 2008

  • SME-ICGCM
    J?Crete: An Engineered Cementitious Composite Rock Coating

    By Alan A. Campoli

    The mining industry has long been searching for an effective structural application that prevents weathering and falls of loose rock, debris, and sediment. J-Crete is a fiber-reinforced, engineered, c

    Jan 1, 2012

  • SME-ICGCM
    Tensioned Point Anchor Resin System Versus Non-Tensioned Fully Grouted Rebar - Two Case Studies

    By John C. Stankus

    Jennmar Corporation. in an effort to improve mine roof control, has conducted extensive study and research comparing tensioned point anchor resin systems versus the use of non-tensioned fully grouted

    Jan 1, 1990

  • SME-ICGCM
    The Estimation of Ground Control Risk By Real?Time Quantitative Visual Assessments

    By Alexander Garcia

    Roof and rib falls are the basic ground control hazards associated with underground roadways during development, stand up and, if applicable, retreat. Falls of ground can happen following the deterior

    Jan 1, 2012

  • SME-ICGCM
    The Unpredictable Life Cycle of a Coal Pillar (b2bcadc5-82a3-454e-be3a-6b79e9867244)

    By Stephen Tadolini

    A unique circumstance created by monitoring a pre-driven longwall recovery room permitted measuring the stresses of a coal pillar throughout its entire life cycle in less than a week. A fender pillar

    Jan 1, 2007

  • SME-ICGCM
    Mining Geotechnical Benchmarking

    By Vincent A. Scovazzo

    Benchmarking is a business management process that seeks improvement through the study and reapplication of practices conducted by industry leaders. This discussion presents objectives and organizatio

    Jan 1, 2000

  • SME-ICGCM
    Upgraded Comprehensive and Integrated Subsidence Prediction Model CISPM - W

    By Yi Luo

    In dealing with various subsidence cases, accurate predictions of mining induced subsidence are the basis for correct assessment of subsidence influences and subsequent mitigation efforts. There is a

    Jan 1, 2008

  • SME-ICGCM
    Application Of A Polymer-Based Sealing Material To Prevent Roof From Weathering

    By Peter Zhang

    The immediate roof at the test site consisted of laminated clay shale that is likely to be susceptible to weathering. With seasonal dry-wet cycles in the mine ventilation air, the roof in the intake

    Jan 1, 2009

  • SME-ICGCM
    Analysis Of The Initial Collapse Of The Overburden Over Longwall Panels Using Subsidence Data

    By Gennaro G. Marino

    Documented case histories of surface ground movements from mine subsidence were utilized to help determine when the initial collapse of the overburden occurred above longwall panels. By studying this

    Jan 1, 1988

  • SME-ICGCM
    The Fault At The End Of The Tunnel

    By S. S. Rowland

    Good afternoon, ladies and gentlemen. It is a pleasure, for several reasons, to be here at this 13th International Conference on Ground Control in Mining. Of course it's always a pleasure to be a

    Jan 1, 1994

  • SME-ICGCM
    Deriving Input Parameters for Numerical Modeling of Fully Resin Grouted Rock Bolts

    By Michael Alber

    Resin grouted rock bolts are the major support measure in coal mining. They are rather easy and foolproof to install, take immediately load and are the least time consuming support measure for control

    Jan 1, 2006

  • SME-ICGCM
    Development and Application of Geotechnical and Rockmechanical Standard Planning System for Roadway Development in German Coal Mines

    By K. H. Brandt

    A standard planning system for the development of roadways was adopted for German coal mines based on the results of geotechnical and rockmechanical investigations. Its goal is to provide for sufficie

    Jan 1, 2004