Roof and rib fall accident and cost statistics: An in-depth study. Information Circular/1987

Technical Report · Thu Jan 01 00:00:00 EST 1987

OSTI ID:6777982

Pappas, D M

The purpose of the Bureau of Mines study of U.S. roof and rib (roof-rib) accident statistics and related accident costs is to define current accident trends (1980-84) associated with fatal and nonfatal roof-rib fall accidents. Data were retrieved from a data base containing all recorded U.S. mining accidents, then sorted and normalized utilizing a computer software program. The statistics indicate that roof-rib accidents have significantly declined in the 5-year study period. Moreover, they indicate that there have been increases and/or patterns of roof-rib accidents associated with specific mine characteristics such as seam height, mine size, geographic location, and seasonal variation. Also, roof-rib injury characteristics produced pattern changes involving worker activity, lost workdays, types of injury, and severity of injury. A conservative estimate indicates that there has been a 30% adjusted increase in the cost of a roof-rib accident over the 5-year study period.

• Research Organization: Bureau of Mines, Washington, DC (USA)
• OSTI ID: 6777982
• Report Number(s): PB-90-266636/XAB; BUMINES-IC-9151
• Resource Relation: Other Information: Also available from Supt. of Docs. Library of Congress catalog card No. 87-600117
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
ROCK FALLS
COST ESTIMATION
STATISTICS
UNDERGROUND MINING
ACCIDENTS
COAL MINES
COAL MINING
COAL SEAMS
CORRELATIONS
GEOGRAPHY
HEIGHT
INJURIES
ROCK BURSTS
ROOFS
SEASONAL VARIATIONS
SIZE
SUPPORT PILLARS
THICKNESS
COAL DEPOSITS
DIMENSIONS
GEOLOGIC DEPOSITS
MATHEMATICS
MINERAL RESOURCES
MINES
MINING
RESOURCES
UNDERGROUND FACILITIES
VARIATIONS
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012031 - Coal
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