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- Strength of materials
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8/1/2006 - Conference papersNIOSH conducted an evaluation of screen materials commonly used in U.S. coal mines to determine their support characteristics and identify the parameters that could affect their performance with respect to controlling the fall of rock from the roof.
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7/1/2005 - Conference papersLarge-scale explosion tests conducted within the multiple-entry section of NIOSH's Lake Lynn Experimental Mine (LLEM) are currently the only accepted test method for deeming a seal design suitable for use in U.S. mines. These explosion tests are labor-i...
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8/1/2001 - Conference papersThis paper presents investigations of underground measurements conducted to determine the loading response of stoppings constructed from lightweight aggregate concrete masonry units.
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1/1/1993 - Reports of InvestigationsDuring the normal course of underground coal mining, it sometimes becomes necessary to seal off abandoned areas to eliminate the need to ventilate them. Seals also are used to isolate fire zones or areas susceptible to spontaneous combustion. The object...
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Content source: National Institute for Occupational Safety and Health, Mining Program