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Mining Publication: Strength Characteristics and Air-Leakage Determinations for Alternative Mine Seal Designs

Original creation date: January 1993

Image of publication Strength Characteristics and Air-Leakage Determinations for Alternative Mine Seal Designs

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.

Authors: ES Weiss, NB Greninger, CR Stephan, JR Lipscomb

Report of Investigations - January 1993

  • 2.27 MB

NIOSHTIC2 Number: 10004319

Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9477, 1993 Jan; :1-21


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