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2 069 268

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IPC

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Application

94021557/03, 1994-06-10

(22)

Actual filing date

1994-06-10

(45)

Published

1996-11-20

(72)

Inventor

Zubov V.P.Vasil'Ev S.V.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Gornyj Institut Im.G.V.Plekhanova

METHOD FOR CONTROL OF ROCK PRESSURE IN EXTRACTION OF MINERAL BEDS AT LARGE DEPTHS Russian patent published in 1996 - IPC

Abstract RU 2069268 C1

FIELD: mining industry. SUBSTANCE: method for control of rock pressure in extraction of mineral beds at large depths includes determination of intensity of coal pressure-out on the edge of breakage face at different points over the face length and filling of worked out space before caving the roof rocks. Hardness of fill in formation of filling mass over face length is varied in compliance with the law analogous to the law of variation of coal pressure-out intensity on the edge of breakage face along the face length. EFFECT: higher efficiency. 3 cl, 1 dwg

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RU 2 069 268 C1

Authors

Zubov V.P.

Vasil'Ev S.V.

Dates

1996-11-20—Published

1994-06-10—Filed

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