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Results 41 - 50 of 270
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6/1/2008 - Reports of InvestigationsThis report is the last of 10 report phases begun in 1982 and presents findings regarding laboratory-tested SCSRs in the tenth phase of testing, from July 2004 to March 2006.
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5/1/2008 - Reports of InvestigationsThis paper presents the results of the full-scale test of a composite polyurethane-aggregate seal in a hydrostatic chamber conducted by NIOSH, and provides an analysis of those results in terms of the structural behavior of the seal.
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1/1/2008 - Reports of InvestigationsThis report discusses the testing and full-scale evaluations of a recently developed carbon fiber-reinforced polymer (CFRP) reinforcement technique for upgrading existing mine ventilation seals to withstand an explosion pressure of 50 psi or greater whi...
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11/1/2006 - Reports of InvestigationsThis report discusses the evaluation of three types of product sizing silica sand structures: a masonry design, a steel-sided design, and an open structure design. An open structure design was superior from both a dust and noise standpoint.
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10/1/2006 - Reports of InvestigationsNIOSH and the Mine Safety and Health Administration (MSHA) are conducting a Long Term Field Evaluation (LTFE) program to evaluate deployed self-contained self-rescuers (SCSRs). The objective of the program is to evaluate how well SCSRs endure the underg...
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4/1/2006 - Reports of InvestigationsThis paper summarizes developments in the application of ground-based radar to slope stability monitoring and presents information on NIOSH-sponsored experiments recently completed.
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4/1/2006 - Reports of InvestigationsDetermining backfill stress is an important part of evaluating mine safety, whether personnel are working in proximity to backfill or in other areas of the mine where backfill is an integral part of regional support.
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8/1/2005 - Reports of InvestigationsAdult learning theories, social learning theories, mentoring, and storytelling were all employed in the development of a series of safety training videos that have become very popular in the mining industry. This Report of Investigations describes the t...
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6/1/2004 - Reports of InvestigationsA personal dust monitor (PDM) was developed to measure respirable coal mine dust mass to provide accurate exposure data at the end of a work shift.
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4/1/2004 - Reports of InvestigationsNIOSH researchers at the Spokane Research Laboratory in Spokane, WA, are investigating the physical properties of cable bolts by replacing the conventional king wire with a modified king wire on which strain gauges have been installed.
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Content source: National Institute for Occupational Safety and Health, Mining Program