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Application

95106176/03, 1995-04-19

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Actual filing date

1995-04-19

(45)

Published

1997-12-20

(72)

Inventor

Androsov A.D.Samokhin A.V.Zubkov V.P.Savvinov K.N.Izakson V.Ju.Leonenko V.N.Grinev V.G.Ganchenko M.V.

(73)

Holder

Institut Gornogo Dela Severa So Ran

METHOD FOR FORMATION OF NONMINING FLANK OF OPEN PIT UNDER PERMAFROST CONDITIONS Russian patent published in 1997 - IPC

Abstract RU 2099528 C1

FIELD: mining; may be used in open-pit mining of mineral deposits, mainly, under conditions of permafrost rocks. SUBSTANCE: open-pit nonmining flank is formed without safety berms with inclined high reclamation benches; formed on haulage berm is protective trench on whose brow protective bank of barren rocks is filled. Placed on slopes of high benches is heat-protective shield consisting of synthetic net sheet onto which foamed plastic is sprayed. EFFECT: reduced volume of overburden operations in contour of open-pit field and increased stability of nonmining flank. 8 dwg , 2 tbl

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RU 2 099 528 C1

Authors

Androsov A.D.

Samokhin A.V.

Zubkov V.P.

Savvinov K.N.

Izakson V.Ju.

Leonenko V.N.

Grinev V.G.

Ganchenko M.V.

Dates

1997-12-20—Published

1995-04-19—Filed

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