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The Relationship Of Roof Movement And Strata-Induced Microseismic Emissions To Roof Falls
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2004
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Source: 2004 SME Annual Meeting, Feb 23-25, Denver, Colorado, preprint 04-58. Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc., 2004 Feb; :1-9
[PDF-411.15 KB]
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Description:For the first time in an underground stone mine, the relationship between roof movement and microseismic emissions was examined in conjunction with two distinct roof fall areas. As roof monitoring increases in acceptance and monitoring technology advances, the goal of providing reliable roof fall detection systems to enhance the safety of underground mine workers moves closer to reality. Instrumental to reaching that goal is the ability to interpret accurately and completely roof movement and microseismic emissions, which can serve as precursors to roof falls. This paper examines the capabilities of convergence and microseismic monitoring systems to better understand roof rock failure mechanics and to anticipate roof falls. An understanding of how these techniques are used and how they interact with each other is critical in developing the most effective ground control strategy for our nation’s mines.
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