METHOD OF DRIVING OF MINE WORKING Russian patent published in 1997 - IPC

Abstract RU 2097679 C1

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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RU 2 097 679 C1

Authors

Konanykhin V.A.

Makarenko M.B.

Konanykhin A.I.

Filippov P.A.

Vasil'Kov V.K.

Dates

1997-11-27Published

1994-08-01Filed