Modify Selection
- Hazard prevention and control:
- Support design and selection
- Document types:
- Peer reviewed journal articles
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Results 1 - 10 of 14
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1/1/2008 - Peer reviewed journal articlesMoisture-sensitive roof rocks have contributed to time-dependent roof falls. NIOSH research proves the value of a wet/dry cycling test for rock evaluation.
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2/1/2007 - Peer reviewed journal articlesA study of ground behavior, reinforcement performance and stress redistribution looked at a longwall tailgate under severe horizontal stress. Comparison to field results showed that a FLAC-2D model captured the significant roof and support behavior.
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1/1/2020 - Peer reviewed journal articlesA study of the loading characteristics of mechanical bolts (stiffness and capacity) installed in coal ribs at five underground coal mines.
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12/1/2019 - Peer reviewed journal articlesAn overview of recent trends in US longwall mining, with an emphasis on accident and injury trends, as well as support systems and ground conditions.
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1/24/2019 - Peer reviewed journal articlesAn article examining rear abutment extent and loading, along with how well current modeling procedures calculate those values.
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8/1/2017 - Peer reviewed journal articlesThis paper evaluates the impact of various pumpable roof support design parameters by examining full-scale performance tests conducted using the NIOSH Mine Roof Simulator (MRS) as part of manufacturers’ developmental and quality control testing.
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5/1/2016 - Peer reviewed journal articlesAn article describing laboratory tests that were conducted to determine the vertical load capacity and deflection of three different types of cross members used in the trusses of coal mine roof support.
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1/1/2016 - Peer reviewed journal articlesAn article describing two ways photogrammetric techniques are being used for rock mass and support monitoring.
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1/1/2016 - Peer reviewed journal articlesThis article by NIOSH analyzes the current practices of rib control in U.S. coal mines. Twenty underground coal mines were studied representing various coal basins, coal seams, geology, loading conditions, and rib control strategies.
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1/1/2010 - Peer reviewed journal articlesAn understanding of the geologic and stress conditions which lead to roof falls is necessary to assess the risk of failure and to design roof reinforcement to improve stability.
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Content source: National Institute for Occupational Safety and Health, Mining Program