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- Tasks and activities:
- Mine design
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Results 21 - 30 of 55
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6/1/2009 - Information CircularsThis paper examines four different stress analysis programs or tools for analyzing stress around a single longwall panel at 610 m (2,000 ft) depth beneath overburden containing some strong strata.
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Critical Review of Numerical Stress Analysis Tools for Deep Coal Longwall Panels Under Strong Strata2/1/2009 - Conference papersThis report describes a study undertaken by NIOSH to more fully appreciate the application of numerical models in support of research on dynamic failure (bumps and bounces) in deep western coal mines.
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2/1/2008 - Conference papersThis paper describes NIOSH research demonstrating that the ventilation of large-opening mines improves significantly by including ventilation requirements in the mine planning process and implementing some practical techniques during mining.
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7/1/2007 - Conference papersThis paper presents the results of a study of roof conditions in 34 limestone mines in the Eastern and Midwestern U.S.
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5/1/2007 - Information CircularsThe goal of this study is to help identify the location and likely severity of multiple-seam interactions. Mine planners can use this information to adjust the ground support, pillar design, or mine layout to minimize the hazard.
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8/1/2006 - Conference papersDescribes the procedures and thought processes used by coal mine geologists when determining various mineability and reserve extraction feasibility issues. The paper also address underground geologic hazard mapping and prediction techniques.
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6/1/2006 - Conference papersA method is presented for creating realistic numerical models for practical coal mine ground control. This procedure enables realistic comparisons of the effectiveness of alternative rock support systems.
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6/1/2006 - Conference papersThe Super Stopping is designed as a long-term permanent stopping for use in the main entries of the mine, while the EZ-Up Curtain Stopping, although very durable, is designed more for portability and ease of installation. This paper describes the design...
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6/1/2006 - Conference papersNIOSH research suggest that by incorporating ventilation planning into the mine planning process, using propeller fans, developing new stopping materials and construction methods, and using long pillars to eliminate crosscuts where possible, the ventila...
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6/1/2006 - Conference papersThis paper describes the development of reservoir models for the longwall mining environment and their application for investigating the influence of various completion design parameters on the methane drainage effectiveness of gob gas ventholes.
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Content source: National Institute for Occupational Safety and Health, Mining Program