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2/1/2007 - Conference papersThis paper examines the effect of end conditions and load profiles on prop support performance and applies a new analysis methodology based on eccentric loading to determine a factor of safety for load capacity.
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8/1/1999 - Conference papersRecent studies by researchers from the National Institute for Occupational Safety and Health indicate that shear loading contributes significantly to failure of bolts used for rock reinforcement in coal mine roofs. Laboratory tests on 17 bolts were con...
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Content source: National Institute for Occupational Safety and Health, Mining Program