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- Mining types and methods:
- Longwall mining
- Document types:
- Conference papers
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Results 21 - 30 of 36
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6/1/2005 - Conference papersThis paper describes the application of a finite difference program to develop a geomechanical model that predicts permeability changes within the rock mass.
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5/1/2005 - Conference papersNIOSH has initiated a reservoir modeling effort to better understand the interaction of the various geotechnical factors influencing gas flow within and to the underground longwall mining environment. A focus of this modeling effort has been (1) the pre...
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2/1/2004 - Conference papersA calibrated three-dimensional finite element model, developed in conjunction with an underground test area, provided the critical components and design principals for a comprehensive parametric study.
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8/1/2002 - Conference papersThe goal of the research described here is to develop a stress monitoring system that will provide immediate information to mine managers for making daily safety decisions as areas of poor ground are mined through.
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8/1/2001 - Conference papersThis paper presents investigations of underground measurements conducted to determine the loading response of stoppings constructed from lightweight aggregate concrete masonry units.
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7/1/2001 - Conference papersA system was developed to monitor rock and coal stresses during mining of an entire longwall panel. The system was designed to generate data in near real time to evaluate rock behavior in roof strata and the onset of hazardous conditions as overburden s...
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6/1/2001 - Conference papersThis paper presents a general review by NIOSH researchers of noise induced hearing loss (NIHL), the status of NIHL in mining, the results of the longwall noise surveys, and a review of the longwall engineering controls research efforts.
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1/1/2001 - Conference papersLongwall mining equipment has improved dramatically over the last 15 years. Although significant gains in longwall dust control have been made, they have been challenged by significant increases in coal extraction rates resulting in more dust being gene...
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2/1/2000 - Conference papersA paper describing research at a Pittsburgh Coalbed longwall mine to evaluate and optimize bleeder ventilation and gob gas venthole longwall methane control systems.
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5/1/1999 - Conference papersInvestigation of the geologic and mining factors influencing the migration of longwall gob gas with a goal to optimize methane drainage strategies to reduce the volume of gob gas that reaches the underground workplace.
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Content source: National Institute for Occupational Safety and Health, Mining Program