METHOD FOR PREVENTION OF ROCK BURSTS AND INCREASE OF ROOF CAVABILITY Russian patent published in 1997 - IPC

Abstract RU 2078216 C1

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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RU 2 078 216 C1

Authors

Martynov Jurij Ivanovich

Dates

1997-04-27Published

1994-03-16Filed