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- Research methods and measures:
- CMRR
- Document types:
- Peer reviewed journal articles
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Results 1 - 2 of 2
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8/1/2001 - Peer reviewed journal articlesThe CMRR quantifies defects in the rock mass and compiles a strength value used for engineering design. The CMRR has been applied to a number of ground stability problems. The CMRR procedure and some of these applications are described in this paper.
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4/1/1999 - Peer reviewed journal articlesThe Coal Mine Roof Rating (CMRR) has been widely accepted as a tool for geologic characterization and mine planning. The application of the CMRR to extended cuts (cuts greater that 6 m (20 ft) in length) is discussed.
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Content source: National Institute for Occupational Safety and Health, Mining Program