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Mining Publication: Ventilating Large Opening Mines
Keywords: Entries Ventilation
Original creation date: January 2009
Authors: RH Grau, RB Krog
Peer Reviewed Journal Article - January 2009
Download PDF Document (0.21 MB)
NIOSHTIC2 Number: 20035773
J Mine Vent Soc S Afr 2009 Jan; 62(1):8-14
The National Institute for Occupational Safety and Health (NIOSH) has conducted research to improve the ventilation of large-opening mines whose entries are at least 93m2 (1,000 ft2). The ventilation of large-opening mines is unique compared to other types of mines because (1) it is challenging to keep airflow velocities high enough to effectively remove or dilute airborne contaminants because the entries are so large, (2) large air volumes can be moved through the mines with little static pressure drop, and (3) stoppings that are used to direct ventilation airflows are costly to construct and to maintain. The research results suggest that the ventilation of large-opening mines is improved significantly by incorporating ventilation planning into the mine planning process, using propeller fans to direct airflow, developing new stopping materials and construction methods, and using long pillars to eliminate crosscuts where possible.
Image of publication Ventilating Large Opening MinesPeer Reviewed Journal Article - January 2009
Download PDF Document (0.21 MB)
NIOSHTIC2 Number: 20035773
J Mine Vent Soc S Afr 2009 Jan; 62(1):8-14
See Also
Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
Dust Considerations When Using Belt Entry Air to Ventilate Work Areas
Evaluation of the Bagged Stone Dust Barrier Effectiveness in a Bord and Pillar Mine
Evaluation of the Relative Importance of Coalbed Reservoir Parameters for Prediction of Methane Inflow Rates During Mining of Longwall Development Entries
Experimental and Modeling Investigation of the Effect of Ventilation on Smoke Rollback in a Mine Entry
Experimental and Modeling Investigation of the Effect of Ventilation on Smoke Rollback in a Mine Entry
Modeling and Prediction of Ventilation Methane Emissions of U.S. Longwall Mines Using Supervised Artificial Neural Networks
Reservoir Modeling-Based Prediction and Optimization of Ventilation Requirements During Development Mining in Underground Coal Mines
Strengthening Existing 20-psi Mine Ventilation Seals With Carbon Fiber-Reinforced Polymer Reinforcement
Use of Vertical Boreholes for Assisting Ventilation of Longwall Gob Areas
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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