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Analysis of global and local stress changes in a longwall gateroad
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  1. 25th International Conference On Ground Control In Mining - A Retrospective Assessment Of Longwall Roof Support With A Focus On Challenging Accepted Roof Support Concepts And Design Premises
    Personal Author:
    Barczak, Thomas M.
    Published Date:
    0/1/1900
    Description:
    The era of the shield-supported longwall face began in the United States a little over 25 years ago. The most fundamental development of the shield in the past 25 years has been an increase in size and capacity and a progression toward two-legged des...
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  2. Evaluation Of The Impact Of Standing Support On Ground Behavior In Longwall Tailgates
    Personal Author:
    Barczak, Thomas M.; Esterhuizen, Gabriel S.; Dolinar, Dennis R.;
    Corporate Authors:
    Pittsburgh Research Laboratory (National Institute for Occupational Safety and Health)
    Conference Authors:
    International Conference on Ground Control in Mining (24th : 2005 August 2-4 : Morgantown, West Virginia)
    Published Date:
    2005
    Source:
    Proceedings of the 24th International Conference on Ground Control in Mining, August 2-4, 2005, Morgantown, West Virginia. Peng SS, Mark C, Tadolini SC, Finfinger GL, Khair AW, Heasley KA, eds. Morgantown, WV: West Virginia University, 2005 Aug; :23-32
    Description:
    Longwall mines typically use some form of standing support for secondary roof support in longwall tailgate entries. Although there have been several new support products developed for this application, there remains no universal design criteria to op...
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  3. Deep cover bleeder entry performance and support loading: A case study
    Personal Author:
    Klemetti, Ted M.; Van Dyke, Mark Alexander; Tulu, Ihsan Berk;
    Published Date:
    Jan 10 2018
    Source:
    Int J Min Sci Technol. 28(1):85-93
    Description:
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  4. Analysis of monitored ground support and rock mass response in a longwall tailgate entry
    Personal Author:
    Esterhuizen, G.S.; Gearhart, D.F.; Tulu, I.B.;
    Published Date:
    Jan 2018
    Source:
    Int J Min Sci Technol. 28(1):43-51.
    Description:
    A comprehensive monitoring program was conducted to measure the rock mass displacements, support response, and stress changes at a longwall tailgate entry in West Virginia. Monitoring was initiated a few days after development of the gateroad entries...
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  5. Longwall Tailgates: The Technology For Roof Support Has Improved But Optimization Is Still Not There
    Personal Author:
    Barczak, Thomas M.
    Published Date:
    0/1/1900
    Description:
    Roof support technology for longwall tailgates has changed dramatically during the past decade. Filling tailgates with conventional wood cribs is becoming the exception rather than the rule. Modern engineered timber support systems and a host of othe...
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