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Results 381 - 390 of 646
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8/1/2003 - Conference papersTo measure the loading behavior of friction bolts, NIOSH researchers installed strain gauges on the interior of friction bolts and developed a miniature data acquisition system (MIDAS) that fits inside the hollow portion of the friction bolt.
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8/1/2003 - Conference papersThis paper utilizes rock-fall-related incident narratives from the MSHA database for a taxonomic analysis, which identifies event root causes and provides future direction for corrective measures to reduce the probability of event occurrence.
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7/1/2003 - Conference papersThis study indicates that it may be possible to use ground penetrating radar (GPR) for initial underground mine studies followed by directional drilling to accurately delineate the extent and position of adjacent abandoned mine workings.
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6/1/2003 - Conference papersThe authors hypothesize that excavation-induced extension fractures are caused by elastic shearing displacement that in turn causes tension oblique to a propagating shear zone.
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6/1/2003 - Conference papersUsing hollow inclusion stress cells, researchers obtained two in situ stress measurements from the face of two footwall lateral drifts at the Stillwater Mine near Nye, MT.
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6/1/2003 - Conference papersDocuments the refurbishing and instrumentation of the PRL reverberation chamber to bring it up to compliance with the ISO 3743-2 standard for engineering grade measurements for broadband noise.
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6/1/2003 - Conference papersThis paper analyzes extensive noise and urethane durability testing on a Joy 14CM9 continuous miner's conveyor assembly, tail roller, and bottom plate conducted at NIOSH's Pittsburgh Research Laboratory facilities.
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6/1/2003 - Conference papersThis paper identifies the most significant noise-radiating surfaces on a continuous miner tail section and examines the effects of three engineering noise controls.
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6/1/2003 - Conference papersThe primary objective of the paper will be to discuss strata mechanics and ways in which the support and strata interaction can be evaluated to provide an optimized secondary support design, particularly standing support systems, for longwall tailgates.
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3/1/2003 - Conference papersA discussion of how training videos created to get safety messages to miners were developed, how "master miners" and story lines were chosen, and how the resulting videos have been received in the mining industry.
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Content source: National Institute for Occupational Safety and Health, Mining Program