METHOD OF CONSTRUCTION OF OPENCAST NONMINING FLANK Russian patent published in 2001 - IPC

Abstract RU 2171893 C2

FIELD: mining industry; applicable in mineral opencast operations. SUBSTANCE: construction of opencast nonmining flank is carried out with division of the first turn of haulage berm constructed from opencast bottom into internal and external zones. In this case, turn internal zone in made with horizontal safety berms passing into external zone of turn onto inclined safety berms. EFFECT: improved technological-end-economic indices of mining operations due to reduced volume of overburden and development operations, reduced wear of excavator. 5 dwg, 1 tbl

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RU 2 171 893 C2

Authors

Aleksandrov I.N.

Samokhin A.V.

Zarovnjaev B.N.

Shubin G.V.

Vychuzhin T.A.

Dates

2001-08-10—Published

1999-06-01—Filed