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2 474 692

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(51)

IPC

E21C41/26(2006-01-01)

(21) (22)

Application

2011109369/03, 2011-03-11

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Start date

2011-03-11

(22)

Actual filing date

2011-03-11

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Published

2013-02-10

(72)

Inventor

Zobnin Vladislav IvanovichKol'Tsov Pavel ViktorovichIvanov Jurij StanislavovichPaljutina Evgenija NikolaevnaGolovina Olesja NikolaevnaZakharov Il'Ja Vladimirovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo I Proektnyj Institut Obogashchenija I Mekhanicheskoj Obrabotki Poleznykh Iskopaemykh

CONSTRUCTION METHOD OF NON-WORKING OPEN-PIT WALL Russian patent published in 2013 - IPC E21C41/26

Abstract RU 2474692 C2

FIELD: mining.

SUBSTANCE: method involves formation of non-working projections, transport offramp, horizontal and inclined safety berms. Inclined safety berms are formed in places of their junction to transport offramp. Slope of sections of inclined safety berms is restricted in compliance with technical characteristics of machines and mechanisms used for cleaning of safety berms from rockslides and rockfalls.

EFFECT: reduction of volume of development operations and improvement of conditions of mechanical cleaning of safety berms from rockslides and rockfalls.

3 cl, 2 ex, 5 dwg

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RU 2 474 692 C2

Authors

Zobnin Vladislav Ivanovich

Kol'Tsov Pavel Viktorovich

Ivanov Jurij Stanislavovich

Paljutina Evgenija Nikolaevna

Golovina Olesja Nikolaevna

Zakharov Il'Ja Vladimirovich

Dates

2013-02-10—Published

2011-03-11—Filed