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Accession Number PB2013-102971
Title Using the Coal Mine Roof Rating (CMRR) to Assess Roof Stability in U.S. Coal Mines.
Publication Date 2001
Media Count 8p
Personal Author C. Mark D. Debasis G. M. Molinda
Abstract While overall safety in U.S. coal mines has improved dramatically in the last 50 years, fatality rates continue to exceed other major industrial sectors (fig. 1). Fatalities due to ground falls make up a significant portion of this rate. In 1998 there wer ...
Keywords Coal Mine Roof Rating(CMRR)
Coal mines
Mine safety
Rock mass
Roof falls
Stability analysis
Strength values

Source Agency National Institute for Occupational Safety and Health
NTIS Subject Category 48A - Mineral Industries
50D - Soil & Rock Mechanics
68G - Environmental Health & Safety
Corporate Author National Inst. for Occupational Safety and Health, Pittsburgh, PA. Pittsburgh Research Lab.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1306
Contract Number N/A

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