METHOD FOR FILLING IN DESCENDING EXTRACTION OF MINERAL BY STOPES Russian patent published in 1996 - IPC

Abstract RU 2069765 C1

FIELD: mining industry. SUBSTANCE: method for filling in descending extraction of mineral by stopes includes formation by layer of different in strength mass in height of stopes. Subroof layer is stowed with addition of nonexplosive destroying substance in certain ratio to other components, and height of this layer is selected from 10% increase of volume of hardening mixture. EFFECT: higher efficiency.

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RU 2 069 765 C1

Authors

Kuznetsov A.G.

Shalaurov V.A.

Anushenkov A.N.

Kolesaev V.B.

Reshetnikov A.A.

Dates

1996-11-27Published

1994-07-28Filed