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Mining Publication: Shale Failure Mechanics and Intervention Measures in Underground Coal Mines: Results from 50 Years of Ground Control Safety Research
Keywords: Ground control Rock mechanics Roof falls Shale
Original creation date: February 2016
Authors: MM Murphy
Peer Reviewed Journal Article - February 2016
Go to Web Page
NIOSHTIC2 Number: 20046962
Rock Mech Rock Eng 2016 Feb; 49(2):661-671
Ground control research in underground coal mines has been ongoing for over 50 years. One of the most problematic issues in underground coal mines is roof failures associated with weak shale. This paper will present a historical narrative on the research the National Institute for Occupational Safety and Health has conducted in relation to rock mechanics and shale. This paper begins by first discussing how shale is classified in relation to coal mining. Characterizing and planning for weak roof sequences is an important step in developing an engineering solution to prevent roof failures. Next, the failure mechanics associated with the weak characteristics of shale will be discussed. Understanding these failure mechanics also aids in applying the correct engineering solutions. The various solutions that have been implemented in the underground coal mining industry to control the different modes of failure will be summarized. Finally, a discussion on current and future research relating to rock mechanics and shale is presented. The overall goal of the paper is to share the collective ground control experience of controlling roof structures dominated by shale rock in underground coal mining.
Cover page for Shale Failure Mechanics and Intervention Measures in Underground Coal Mines: Results From 50 Years of Ground Control Safety ResearchPeer Reviewed Journal Article - February 2016
Go to Web Page
NIOSHTIC2 Number: 20046962
Rock Mech Rock Eng 2016 Feb; 49(2):661-671
See Also
Building Capacity and Enhancing Long-Term Coal mine Weak Roof Stability through Characterization and Modeling of Time-Dependent and Moisture-Sensitive Failure in Shale
Current trends in Reducing Ground Fall Accidents in US Coal Mines
Current Trends in Reducing Ground Fall Accidents in US Coal Mines
Dynamic Failure in Deep Coal: Recent Trends and a Path Forward
Identifying Moisture Sensitive Roof Rocks in Coal Mines
International Experience with Longwall Mining into Pre-Driven Rooms
Proceedings: Mechanics and Mitigation of Violent Failure in Coal and Hard-Rock Mines
Proceedings: New Technology for Ground Control in Multiple-seam Mining
Report on Early Strength Performance of Modern Day Weak Rock Mass Shotcrete Mixes
Roof and Rib Hazard Assessment for Underground Stone Mines
Page last reviewed: June 2, 2016
Page last updated: June 2, 2016
Content source: National Institute for Occupational Safety and Health, Mining Program
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