Mine explosions have long been known as a catastrophic risk in underground coal mining. Since 197... more Mine explosions have long been known as a catastrophic risk in underground coal mining. Since 1970, the U.S. coal mine industry experienced 12 major disasters associated with methane explosions; most of which occurred during a significant drop in barometric pressure. Several of these disasters and numerous other explosions of lesser consequence suggest involvement of explosive gas zones (EGZs) or explosive methane-air mixture. Previous studies by researchers at the Colorado School of Mines (CSM) have been aimed at locating and reducing EGZs in longwall gobs but little work has been done to investigate the effect of barometric pressure on these EGZs.
Mine explosions have long been known as a catastrophic risk in underground coal mining. Since 197... more Mine explosions have long been known as a catastrophic risk in underground coal mining. Since 1970, the U.S. coal mine industry experienced 12 major disasters associated with methane explosions; most of which occurred during a significant drop in barometric pressure. Several of these disasters and numerous other explosions of lesser consequence suggest involvement of explosive gas zones (EGZs) or explosive methane-air mixture. Previous studies by researchers at the Colorado School of Mines (CSM) have been aimed at locating and reducing EGZs in longwall gobs but little work has been done to investigate the effect of barometric pressure on these EGZs.
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