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12/1/2002 - Technology NewsThis Tech News reports on how the use of propeller fans can significantly improve the ventilation in large entry stone mines due to their efficiency at lower pressures and less required horsepower.
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12/1/2002 - Technology NewsThe growing realization of the importance of a healthy work environment along with increased regulations will require many stone mines to implement new ways to improve ventilation. In-place stone stoppings are one option.
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10/1/2002 - Conference papersOverview of a variety of techniques and methods that can be used to improve the air quality in underground stone mines.
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6/1/2000 - Technology NewsThe Roof Monitoring Safety System (RMSS) introduced in late 1997 has been modified to improve durability and simplify the measurement of roof or rib movement.
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12/1/1999 - Peer reviewed journal articlesAs 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.
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3/1/1999 - Conference papersTo help mitigate the potential for falls-of-ground injuries to underground stone miners, NIOSH developed the Roof Monitoring Safety System (RMSS) to aid in monitoring dangerous levels of roof beam deflection.
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1/1/1999 - Conference papersThis paper examines current design practices for stone mines and discusses issues for safe mine layouts so that a rational first approach towards balancing the demands for increased production can be weighed against increased risk to worker safety.
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1/1/1998 - Peer reviewed journal articlesRoof and rib conditions were observed and assessed in 33 underground stone mines. It was found that selection of the mining horizon and mine layout decisions tremendously influence ground stability.
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Content source: National Institute for Occupational Safety and Health, Mining Program