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Results 361 - 370 of 646
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2/1/2004 - Conference papersThis paper discusses elements of a stray gas investigation and the analyses necessary to identify the source of a stray gas.
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2/1/2004 - Conference papersA general overview of the blasting and CO monitoring of a highway construction project is presented and discussed. The use and effectiveness of residential type CO monitors and multi-gas monitors are discussed.
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2/1/2004 - Conference papersA detailed description of blasting-related carbon monoxide migration from a construction site into nearby residential homes.
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12/1/2003 - Conference papersPillar recovery has been associated with nearly one third of roof fall fatalities in underground coal mines during the past decade. This paper discusses design methods and technologies that have been transferred and implemented in mining.
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10/1/2003 - Conference papersReport on a series of performance tests conducted on the IYONI II methanometer. Testing methods included use of a calibration fixture, an environmental test box and a full scale test gallery.
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10/1/2003 - Conference papersMiners, like many skilled blue-collar workers, are not traditional learners. They have not always been successful in classroom-type settings, preferring to learn on the job in a hands-on environment.
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10/1/2003 - Conference papersDiscusses the evaluation of a seal evaluation method, based on a hydrostatic pressure loading concept, for in-situ testing of seals in an operating mine.
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9/1/2003 - Conference papersA system to collect seismic data at the Stillwater and East Boulder mines was developed to get baseline information on the magnitude and location of mining-induced seismicity to determine if the mines needed multi-channel in-mine monitoring systems.
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9/1/2003 - Conference papersAs part of safety and stability studies at three underground mines in the United States, researchers installed earth pressure cells and embedment strain gauges in cemented rockfill to measure stress and strain changes as mining progressed and the rockfi...
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9/1/2003 - Conference papersResearchers have developed a miniature data acquisition system (MIDAS) that can measure resistance changes and temperature, store data for later retrieval, and illuminate LED lights. This instrument can be used with strain-gaged bolts, cable bolts, CSIR...
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Content source: National Institute for Occupational Safety and Health, Mining Program