FIELD: mining industry, applicable in driving of mine working. SUBSTANCE: the method consists in drilling of a compensation hollow and blast holes, placement of garlands with water in the compensation hollow within 0.2 to 0.35 of its volume and explosive charges in the blast holes, and their briefly delayed blasting with rock-breaking into compensation hollows; initiation of the first explosive charge is effected on the side of the hollow of the face breast. EFFECT: enhanced efficiency and reduced cost of driving of mine working. 3 dwg
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Authors
Dates
1997-11-27—Published
1994-08-01—Filed