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Mining Publication: Stability Mapping to Examine Ground Failure Risk: A Field Study at a Limestone Mine
Keywords: Ground control Limestone Risk analysis Roof falls Underground mining
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: July 2009
Authors: TS Bajpayee, SR Schilling
Conference Paper - July 2009
Download PDF Document (0.78 MB)
NIOSHTIC2 Number: 20035813
Proceedings of the 28th International Conference on Ground Control in Mining, July 28-30, 2009, Morgantown, West Virginia. Peng SS, Barczak T, Mark C, Tadolini S, Finfinger G, Heasley K, Luo Y, eds., Morgantown, WV: West Virginia University, 2009; :135-142
As the surface reserves are being depleted, more and more stone operators are seeking underground mining options. Stability of underground openings is a major concern for the safety and productivity. This paper relates to a field study conducted at a large underground limestone mine in Central Pennsylvania. Identification of hazards leading to ground failures and assessment of roof fall risks are important in mitigating injuries. Field observations at this mine were integrated with Roof Fall Risk Index (RFRI) mapping software recently developed by West Virginia University. The system is designed to combine field study data related to geologic factors, mining-induced damages, roof profile, and ground water influx to generate RFRI maps. The mine has adopted a proactive ground control program consisting of comprehensive examination of drilling and bolting logs; precision surveying of roof and rib; accurate mapping of cutters, falls, and geologic structures; and installation of extensometers and microseismic monitoring systems. Investment of time and resources has eliminated fatalities and lost-time injuries due to ground fall. This paper presents the geologic settings, mining conditions, ground control issues along with risk management and control techniques adopted at the study mine.
Image of publication Stability Mapping to Examine Ground Failure Risk: A Field Study at a Limestone MineConference Paper - July 2009
Download PDF Document (0.78 MB)
NIOSHTIC2 Number: 20035813
Proceedings of the 28th International Conference on Ground Control in Mining, July 28-30, 2009, Morgantown, West Virginia. Peng SS, Barczak T, Mark C, Tadolini S, Finfinger G, Heasley K, Luo Y, eds., Morgantown, WV: West Virginia University, 2009; :135-142
See Also
Diagnosing and Controlling Moisture-Sensitive Roof in Coal Mines
Dynamic Failure in Deep Coal: Recent Trends and a Path Forward
Geologic Characterization
The Long-term Performance of Surface Support Liners for Ground Control in an Underground Limestone Mine
Optimizing Secondary Roof Support with the NIOSH Support Technology Optimization Program (STOP)
Practical Risk Assessment Guidelines for Identifying, Assessing, and Mitigating Stored Energy Hazards in Underground Coal Mines During and After a Mine Emergency
Rock Falls
Roof and Rib Hazard Assessment for Underground Stone Mines
SPONCOM - A Computer Program for the Prediction of the Spontaneous Combustion Potential of an Underground Coal Mine
SponCom - Spontaneous Combustion Assessment Software - 2.0
Technology News 520 - A Method to Characterize Risk Associated With Mine Roof Conditions
Technology News 545 - NIOSH Updates Spontaneous Combustion Assessment Software
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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