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2 029 091

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IPC

(21) (22)

Application

5013616/03, 1991-10-10

(22)

Actual filing date

1991-10-10

(45)

Published

1995-02-20

(72)

Inventor

Lobanov V.V.Atroshchenko F.G.Drozdov A.V.Solopanov A.T.

(73)

Holder

Jakutskij Nauchno-Issledovatel'Skij I Proektnyj Institut Almazodobyvajushchej Promyshlennosti

METHOD FOR ESTABLISHMENT OF IMPERVIOUS CURTAIN IN PERMAFROST ROCKS OF CRYOLITOZONE Russian patent published in 1995 - IPC

Abstract RU 2029091 C1

FIELD: mining. SUBSTANCE: method for establishment of impervious curtain in permafrost rocks of cryolitozone includes drilling of grouting holes over contour of rock mass and injection into holes of brine and grouting mortar. Novelty consists in that bribe injection is effected alternately into each well. Brine pumped out through neighboring hole. Grouting mortar is injected after stabilization of concentration of pumped out brine in well and after injection of brine into them. EFFECT: higher efficiency. 2 dwg

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RU 2 029 091 C1

Authors

Lobanov V.V.

Atroshchenko F.G.

Drozdov A.V.

Solopanov A.T.

Dates

1995-02-20—Published

1991-10-10—Filed