Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"mine explosions"”.
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Workplace Explosions: A Comparison of the Mine Safety and Health Administration and the Occupational Safety and Health Administration
<p>This research compares how the Mine Safety and Health Administration (MSHA) and the Occupational Safety and Health Administration (OSHA) prevent the occurrence of and respond to incidents of workplace explosions in their industries. This was a qualitative study that utilized interpretivism as …
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Analysis of Seismic Signatures Generated from Controlled Methane and Coal Dust Explosions in an Underground Mine
… records during the time interval of the Sago Mine disaster in 2006 revealed a small amplitude signal possibly associated with an event in the mine. Although the epicenter of the signature was located in the vicinity where the explosion occurred, it could not be unequivocally attributed to the …
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The determination of QLg and Qc as a function of frequency in the crust of Virginia and its environs
… quality factors Q<sub>Lg</sub> (attenuation determined from the spatial decay of Lg waves) and Q<sub>c</sub>; (attenuation determined from the temporal decay of seismic coda waves) are made for the crust of Virginia and its environs. The results are presented in the form Q<sub>(Lg,C)</sub>(f) = …
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Utilization and Implementation of Atmospheric Monitoring Systems in United States Underground Coal Mines and Application of Risk Assessment
Explosions of gas and dust continue to be recognized as an extreme danger in underground coal mines and still occur despite significant technological advances. Mining researchers have been attempting to accurately measure and quantify ventilation and gas properties since early mining; however basic …