FIELD: mining; increasing safety of underground mining in instantaneous outburst mines with roofs difficult-to-cave. SUBSTANCE: method of prevention of rock bursts includes outlining the rock blocks with slots over closed contour. The method of prevention of rock bursts is distinguished by the fact rock blocks are established by successive slotting with slot depth equalling one half of the normal distance between stopping horizons and slot width of not in excess of block height. EFFECT: higher efficiency. 2 dwg
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Authors
Dates
1997-04-27—Published
1994-03-16—Filed