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Results 81 - 90 of 113
1/1/2003 - Peer reviewed journal articlesNIOSH, in collaboration with the Mine Safety and Health Administration, the mining industry, and seal manufacturers, conducted a series of full- scale experiments to evaluate the explosion-resistant characteristics of several new seal designs for rapid ...
Evaluation of Explosion-Resistant Seals, Stoppings, and Overcast for Ventilation Control in Underground Coal Mining12/1/2002 - Reports of InvestigationsEvaluation of the strength characteristics and air leakage resistance of numerous innovative seal designs and ventilation control structures for use in underground coal mines.
Lightning Propagation Through the Earth and its Potential for Methane Ignitions in Abandoned Areas of Underground Coal Mines10/1/2002 - Conference papersThis paper addresses the question, 'Can lightning cause potential differences capable of igniting methane-and-air mixtures at overburden depths at which underground coal mining occurs?'
Technology News 495 - NIOSH Releases New Educational Video: Recovery of Farmington No. 9 - An Interview with Danny Kuhn3/1/2002 - Technology NewsDuring an interview, Mr Kuhn spent about two hours describing the Farmington disaster, including the workplace climate leading up to the explosion, the events that took place in the 10 days after the explosion, and the nearly 10-year effort to safely an...
Use of Ground Penetrating Radar and Schmidt Hammer Tests to Determine the Structural Integrity of a Mine Seal2/1/2002 - Conference papersOver the years, more than 20,000 mine seals have been erected in underground coal mines in the United States. The National Institute for Occupational Safety and Health is conducting research to develop design guidelines, to investigate noninvasive tech...
7/1/2001 - Peer reviewed journal articlesA number of ignition incidents involving mining and farm equipment have illustrated the surprising danger of drilling, cutting, or otherwise penetrating sealed compartments or frames that are filled with metal scrap for ballast.
6/1/2001 - Conference papersA project to evaluate the South African bagged stone dust explosion barrier was successfully completed at the NIOSH Lake Lynn Experimental Mine.
Technology News 490 - An Inexpensive Device for Monitoring Explosions in Sealed Areas of Underground Mines6/1/2001 - Technology NewsDescription of a passive, inexpensive technique for monitoring explosion overpressures within sealed areas in underground coal mines.
5/1/2001 - Technology NewsTechniques are identified to reduce the probability of gob gas explosions.
1/1/2001 - Conference papersThis paper provides a brief overview of the ongoing study to evaluate the use of these chambers for pressure loading of full-scale seal designs using compressed air, water, or internal gas explosions.