Technology News 445


Technology News 445 - Updated Analysis of Longwall Pillar Stability (ALPS) Computer Program Incorporates New Coal Mine Roof Rating (CMRR)

February 1995

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The objective of this work is to develop a comprehensive, practical method for designing longwall gate entries that considers coal pillar size, mine roof quality, and artificial support in an easy-to-use computer program.

Author(s):Bureau of Mines
Reference:Pittsburgh, PA, U.S. Department of the Interior, Bureau of Mines, Technology News 445, 1995 Feb; :1-2

   tl445 (PDF, 71 KB)


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Page last updated: September 17, 2008
Content Source: National Institute for Occupational Safety and Health (NIOSH) Mining Division