Tailgate Support Practice In U.S. Longwall Mines - A Survey

Peng, S. S.
Organization: International Conference on Ground Control in Mining
Pages: 4
Publication Date: Jan 1, 1994
To acquire knowledge on the general trend of primary and supplemental supports used in tailgates of US longwall mines a survey of 76 mines with 86 longwall panels was carried out in the summer of 1993. This paper attempts to provide some insight on most commonly used support types as primary and supplemental supports in tailgates. Analysis of the surveyed data show that fully grouted resin bolts and cribs are the most commonly used primary and supplemental supports in tailgates in longwall mines of USA.
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