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  • SME-ICGCM
    Monitoring of Mining Surface Deformation using Satellite InSAR and Precise GPS Techniques

    By Karsten Zimmermann

    Surface deformation monitoring is required all over the mining industry. For example oil and gas companies need this information to support exploration and production activities and to detect impacts

    Jan 1, 2008

  • SME-ICGCM
    Cable Bolting - Potential Applications For Variable Strata Conditions

    By David Allen

    Cable bolting is a relatively new strata reinforcement technique that has been used successfully in Australia and the United Kingdom. Jim Walter Resources, Inc. has examined the principles and can vis

    Jan 1, 1994

  • SME-ICGCM
    Effects Of Subsidence On Steep Topography And Cliff Lines

    By Don Kay

    A two year study into the effects of coal mining induced subsidence on cliff lines was undertaken by the Department of Mineral Resources with the support of a grant under the National Energy Research,

    Jan 1, 1992

  • SME-ICGCM
    Practical Consideration In Longwall Support Selection

    By Thomas M. Barczak

    This report examines practical considerations in longwall support selection that have evolved from Bureau of Mines ground control research. The scope of discussion includes trends in support selection

    Jan 1, 1990

  • SME-ICGCM
    Sizing Of Final Stumps For Safer Pillar Extraction

    By Christopher Mark

    Pillar recovery continues to be one of the more hazardous activities in underground coal mining. Safety requires that the roof above the intersection remain stable until after the pillar has been extr

    Jan 1, 2001

  • 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
    An Application Of Energy Release Rate

    By Morgan M. Sears

    In recent years, one large mine collapse and numerous smaller bump events have resulted in a renewed interest in coal bump research. With numerical modeling, the Energy Release Rate (ERR) calculation

    Jan 1, 2009

  • SME-ICGCM
    An Integrated Approach To Subsidence Modelling And Prediction In The Collie Coal Basin (Western Australia)

    By Ian Misich

    A research programme has been undertaken to evaluate and predict the effect of total extraction of coal by underground methods on the superimposed strata, aquifer systems and ground surface in the Col

    Jan 1, 1993

  • SME-ICGCM
    Roof Control In Longwall Faces - Geological And Geotechnical Characteristics And IT Solution For Prediction (50d59152-95b6-444a-a8f2-4ae0c4262f3f)

    By Holger Witthaus

    Various seam conditions had been examined during longwall production at RAG German hard coal mines. Based on the field data a prediction method was developed considering separation planes as influenci

    Jan 1, 2009

  • SME-ICGCM
    Mitigating the Effects of High Horizontal Stress on Ground Control in An Underground Stone Mine: A Case History

    By John Ellenberger

    The nature of a stone deposit is rarely defined through exploration and engineering design, but more through the actual experience encountered as the mine develops; hence, issues with ground control a

    Jan 1, 2012

  • SME-ICGCM
    Rock Mechanics Issues In The Trona Patch

    By Archie Richardson

    The trona mines in the Green River Basin, commonly known as the "trona patch," present an interesting set of rock mechanics issues stemming from mining in a unique underground environment. Like other

    Jan 1, 1999

  • SME-ICGCM
    Multiple Seam Highwall Mining In Appalachia (428a0473-c28a-4ef9-81d1-1ed7e6911c69)

    By David Newman

    Multiple seam underground coal mining is ubiquitous in Appalachia. Many coal properties have from two to ten or more economically mineable coal seams. Because of the ability to penetrate 600-feet to

    Jan 1, 2009

  • SME-ICGCM
    The Development and Application of Polyurethane Injectable Cable Bolts

    By Dakota D. Faulkner

    Cable bolts have been very effective in mine ground control. Non-tensioned and tensioned cable bolts are now used for both primary and supplemental bolting (Suder, 2001; Mirabile, 2010). In the United

    Jan 1, 2012

  • SME-ICGCM
    Design And Control Of Working Support In Polish Coal Mines Based On Three-Dimensional Numerical Modeling

    By Slawomir Bock

    One of the fundamental issues having a great influence on the safety of operations performed in underground mines is the support of workings which should assure their stability in a given geological s

    Jan 1, 2009

  • SME-ICGCM
    Monitoring Indices For The Support And Surrounding Strata System On A Longwall Face (d3af3b40-bd2b-43ab-adc6-f4c445bf5433)

    By Ming-Gao Qian

    How to monitor and control the support and surrounding strata system on a longwall face effectively is one of the major research problems in ground control. Based on observations on movements of the s

    Jan 1, 1992

  • SME-ICGCM
    The Load Transfer Properties of Post?Groutable Cable Bolts Used in the Australian Coal Industry

    By Rob Thomas

    Adequate load transfer is considered essential for optimum ground support and is increasingly important in weak roof and/or high stress environments. If adequate load transfer is achieved not only can

    Jan 1, 2012

  • SME-ICGCM
    Geologic Conditions Affecting Mineability in the Jane Mine.

    By Stephen J. Harven

    Geologic conditions in eight northern operating sections of Jane Mine, Keystone Coal Mining Complex. Armstrong County, Pennsylvania are defined by utilizing drillhole data and underground geologic map

    Jan 1, 1987

  • SME-ICGCM
    Applications of Microseismic Monitoring in China?s Underground Coal Mines

    By Xiangxi Wu

    Longwall and continuous mining are prevalent methods employed by Chinese underground coal operations. The main ground control challenges include roof skin deformation, roof collapse, and outbursts of

    Jan 1, 2012

  • SME-ICGCM
    Advanced Development of the Radio Imaging Methods

    By Gerald Stolarczyk

    The Radio Imaging Method (RIM) is based upon electromagnetic (EM) wave propagation in the coal seam waveguide. The radio geophysics theory underlying RIM was developed by Hill of the national Institu

    Jan 1, 2006

  • SME-ICGCM
    Longwall Support Monitoring

    By Robert G. Harris

    During the last five years there have been significant improvements in face support monitoring techniques particularly in respect of face pressure. The measurement of support loading pressures was

    Jan 1, 1993