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- Mining types and methods:
- Longwall mining
- Document types:
- Peer reviewed journal articles
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Results 11 - 20 of 27
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3/1/2020 - Peer reviewed journal articlesAn article describing how the finite-difference method and the continuum damage mechanics (CDM) approach were applied to simulate the stress-strain evolution of a rock mass with an underground opening during coal extraction.
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1/1/2020 - Peer reviewed journal articlesThe article presents seven cases of conventional gas wells within chain pillars and discusses how numerical modeling can provide a more quantifiable approach to assess the stability of the gas wells.
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12/1/2019 - Peer reviewed journal articlesAn overview of recent trends in US longwall mining, with an emphasis on accident and injury trends, as well as support systems and ground conditions.
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6/10/2019 - Peer reviewed journal articlesAn article discussing a study conducted in NIOSH's Longwall Instrumented Aerodynamic Model (LIAM) to investigate the gob-face interaction, airflow patterns within the gob, and airflow dynamics on the face for varying roof caving characteristics.
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2/5/2019 - Peer reviewed journal articlesAn analysis of a numerical-model-based approach for estimating the changes in both the horizontal and vertical loading conditions induced by an approaching longwall face.
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2/1/2018 - Peer reviewed journal articlesAn article evaluating longwall face ventilation practices at a mine study site.
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9/1/2011 - Peer reviewed journal articlesThis paper presents technical and application aspects of a new software suite, MCP (Methane Control and Prediction), developed for addressing some of the methane and methane control issues in longwall coal mines.
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1/1/2011 - Peer reviewed journal articlesGob gas ventholes capture methane emissions. This study used bivariate normal distributions to determine the conditional probabilities of depth-displacement, depth-flow percentage, depth-formation, and depth-gas content of the overburden formations.
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3/1/2010 - Peer reviewed journal articlesThis work presents a fractal porous medium model to predict gob porosity and permeability for controlling methane flow and to predict air leakage into the gob.
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12/1/2009 - Peer reviewed journal articlesIn this paper, the production rate-pressure behaviors of six gob gas ventholes drilled over three adjacent panels were analyzed by using conventional multi-rate drawdown analysis techniques.
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Content source: National Institute for Occupational Safety and Health, Mining Program