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Mining Publication: Strength Characteristics and Air-Leakage Determinations for Alternative Mine Seal Designs
Keywords: Seals Strength of materials
Original creation date: January 1993
Authors: ES Weiss, NB Greninger, CR Stephan, JR Lipscomb
Report of Investigations - January 1993
Download PDF Document (2.27 MB)
NIOSHTIC2 Number: 10004319
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9477, 1993 Jan; :1-21
During the normal course of underground coal mining, it sometimes becomes necessary to seal off abandoned areas to eliminate the need to ventilate them. Seals also are used to isolate fire zones or areas susceptible to spontaneous combustion. The objective of the research is to determine whether seals constructed from various materials and designs can withstand a 20-psig methane-air explosion without losing their structural integrity.
Image of publication Strength Characteristics and Air-Leakage Determinations for Alternative Mine Seal DesignsReport of Investigations - January 1993
Download PDF Document (2.27 MB)
NIOSHTIC2 Number: 10004319
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9477, 1993 Jan; :1-21
See Also
Clearing the Air
Comparison of Methods: Dynamic Versus Hydrostatic Testing of Mine Ventilation Seals
Demonstration of Safety Plugging of Oil Wells Penetrating Appalachian Coal Mines
Explosion Pressure Design Criteria for New Seals in U.S. Coal Mines
Inflatable Partitions for High-Expansion Foam Generators
Methods for Evaluating Explosion Resistant Ventilation Structures
Progress Toward Improved Engineering of Seals and Sealed Areas of Coal Mines
Strengthening Existing 20-psi Mine Ventilation Seals With Carbon Fiber-Reinforced Polymer Reinforcement
Use of Ground Penetrating Radar and Schmidt Hammer Tests to Determine the Structural Integrity of a Mine Seal
Use of Pressure Swing Adsorption Technology to Inert Sealed Mine Areas with Nitrogen
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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