coal barrier

coal barrier

[′kōl ‚bar·ē·ər]
(mining engineering)
A protective pillar composed of coal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
and Wei, W.B.: 2010, Three-dimensional analysis of coal barrier pillars in tailgate area adjacent to the fully mechanized top caving mining face.
NUMERICAL INSIGHTS INTO STRESS REDISTRIBUTION IN PROTECTED SEAM MINING WITH COAL PILLARS AND AN APPLICATION TO METHANE CONTROL
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