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Mining Publication: Designs for Rapid In-Situ Sealing
Keywords: Explosions Seals
This page is archived for historical purposes and is no longer being maintained or updated. Contact NIOSH Mining if you need an accessible version.
Original creation date: February 2003
Authors: MJ Sapko, ES Weiss, J Trackemas, CR Stephan
Conference Paper - February 2003
Download PDF Document (2.21 MB)
NIOSHTIC2 Number: 20022326
In: Proceedings of the Annual Meeting of the Society for Mining, Metallurgy, and Exploration, Inc (Feb 2003; Cincinnati, OH). Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc; :8 pp
The National Institute for Occupational Safety and Health (NIOSH), Pittsburgh Research Laboratory (PRL), in collaboration with the Mine Safety and Health Administration (MSHA), the mining industry, and seal manufacturers recently conducted a series of full-scale experiments within the underground experimental mine at PRL's Lake Lynn Laboratory. The purpose of the experiments was to evaluate the explosion-resistant characteristics of several new seal designs for rapid deployment during mine emergencies. These seals can be deployed in 6 to 10 hr and are capable of withstanding explosion overpressures in excess of 140 kPa (20 psi). These novel seal designs use available mine materials, do not require conventional rib hitching, and, most importantly, can substantially reduce exposure time for coal miners during sealing and mine recovery operations.
Image of publication Designs for Rapid In-Situ SealingConference Paper - February 2003
Download PDF Document (2.21 MB)
NIOSHTIC2 Number: 20022326
In: Proceedings of the Annual Meeting of the Society for Mining, Metallurgy, and Exploration, Inc (Feb 2003; Cincinnati, OH). Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc; :8 pp
See Also
Compendium of Structural Testing Data for 20-psi Coal Mine Seals
Designs for Rapid in Situ Sealing
Evaluation of Explosion-Resistant Seals, Stoppings, and Overcast for Ventilation Control in Underground Coal Mining
Evaluation of New Methods and Facilities to Test Explosion-Resistant Seals
Experimental Mine and Laboratory Dust Explosion Research at NIOSH
Explosion Pressure Design Criteria for New Seals in U.S. Coal Mines
Passive Mine Blast Attenuators Constructed of Rock Rubble for Protecting Ventilation Seals
Progress Toward Improved Engineering of Seals and Sealed Areas of Coal Mines
Structural Analysis and Design of Seals for Coal Mine Safety
Use of Ground Penetrating Radar and Schmidt Hammer Tests to Determine the Structural Integrity of a Mine Seal
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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