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Results 541 - 550 of 580
Relationships Between Electrostatic Charging Characteristics, Moisture Content, and Airborne Dust Generation for Subbituminous and Bituminous Coals4/1/2000 - Peer reviewed journal articlesSmall scale laboratory pulverizing experiments were performed on humidified coal material sieved to size 6.35 mm (0.250 in) and below to eliminate effects due to inherent planes of weakness (cleats or joints). Experimental factors studied include the co...
3/1/2000 - Peer reviewed journal articlesThe U.S. Bureau of Mines was established in 1910 to reduce the high accident rate in the nation's coal mines. This essay identifies and discusses five "transfer factors" that can explain the success (or failure) of many Bureau of Mines projects.
1/1/2000 - Peer reviewed journal articlesAssessment of exposure to occupational dusts is a first step in reducing exposures to harmful dust concentrations. A new type of respirable dust sampler was developed and compared side-by-side to personal gravimetric samplers in the laboratory.
1/1/2000 - Peer reviewed journal articlesNIOSH has devised a passive means to detect overheating insulators on direct current systems.
Mining has one of the highest annual average fatality rates among major US industries. The US National Institute for Occupational Safety and Health (NIOSH), Pittsburgh Research Laboratory in Pittsburgh, PA is addressing the safety of this new technology.
NIOSH is developing computer programs that will be used to educate mine workers on the hazards of mining, as well as train miners in evacuation routes and evacuation procedures.
As underground stone mining expands to deeper cover and more efficient methods are used, effective stone pillar design methods become more important. In this paper, 72 stone mine pillar designs are examined for factors affecting stability.
With input from underground shuttle-car operators, this study addressed a component of WBV that is germane to underground mining: high-energy impacts or shocks.
9/1/1999 - Peer reviewed journal articlesA mine shaft is the lifeline to underground mines. Mine operators depend on safe, uninterrupted, and efficient movement of workers and materials. The shaft and hoisting system provides access to the network of openings used to recover the underground ...
9/1/1999 - Peer reviewed journal articlesNIOSH studies have focused on off-the-shelf technologies that would enable mine haulage truck drivers to "see" objects and people behind and to the side of a moving vehicle. This paper discusses two types of systems currently available: proximity warni...