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Mining Publication: Roof and Rib Hazard Assessment for Underground Stone Mines
Keywords: Ground control Rib falls Roof falls Stone mining Underground mining
Original creation date: January 1998
Authors: AT Iannacchione, LJ Prosser
Peer Reviewed Journal Article - January 1998
Download PDF Document (0.40 MB)
NIOSHTIC2 Number: 20025235
Min Eng 1998 Jan; 50(2):76-80
From 1991 through 1995, 44 miners out of a total work force of less than 2,000 were fatally injured in the stone industry. Of these, 12 occurred at underground mining operations with nine deaths resulting from roof or rib falls. A safer environment can be achieved by evaluating the nature of the hazardous ground and by developing more efficient and effective ground-control strategies. Roof and rib conditions were observed and assessed in 33 underground stone mines in Illinois, Indiana, Kentucky, Maryland, Missouri, Pennsylvania and West Virginia. Hazard assessment indicated that the ground failures that occurred under moderate to substantial overburden, i.e., >30 m (100 ft), were caused by stress concentrations and geologic structures. Ground failures near the surface are caused by solution (water) processes. Selection of the mining horizon and mine-layout decisions tremendously influence ground stability.
Image of publication Roof and Rib Hazard Assessment for Underground Stone MinesPeer Reviewed Journal Article - January 1998
Download PDF Document (0.40 MB)
NIOSHTIC2 Number: 20025235
Min Eng 1998 Jan; 50(2):76-80
See Also
Assessing Roof Fall Hazards for Underground Stone Mines: A Proposed Methodology
A Computer Software Program that Estimates Air Quantity Requirements in Large Opening Stone Mines
Current trends in Reducing Ground Fall Accidents in US Coal Mines
Current Trends in Reducing Ground Fall Accidents in US Coal Mines
Dynamic Failure in Deep Coal: Recent Trends and a Path Forward
Preventing Injuries Caused by Unrecognized Stone Mine Roof Beam Failures With a Pro-Active Roof Control Plan
Roof and Rib Fall Incident Trends: a 10-Year Profile
Stability Mapping to Examine Ground Failure Risk: A Field Study at a Limestone Mine
Technique to Assess Hazards in Underground Stone Mines: the Roof Fall Risk Index (RFRI)
Technology News 520 - A Method to Characterize Risk Associated With Mine Roof Conditions
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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