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ISSN 0536-1028 (Print)              ISSN 2686-9853 (Online)  

Kuznetsov D. V. – Polius Proekt LLC, Krasnoyarsk, the Russian Federation. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Kosolapov A. I. – Siberian Federal University, Krasnoyarsk, the Russian Federation. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
On the basis of existing approaches analysis, opencast mining peculiarities and numerical investigations, deposits
classification according to relative difficulty of their development in severe weather conditions of the North. For the
identified 5 classes and 25 categories the parameters have been determined, which result in deposits development
difficulties. To the said difficulties refer: uniaxial compressive rock strength limit, dimensional weight, rock jointing, open
pit depth, rock mass transportation distance, and severe climate. Considering this, opencast mining difficulty relative
estimation integrated index has been suggested. The integrated index has been acquired as the result of mining labour
intensity gradation, calculated with energetic method with the account of deteriorating environmental and technological
conditions of opencast mining, the variety of modern complexes of mining automobile equipment; this allows quickly and
effectively estimate competitive deposit.
Key words: severe weather conditions; complexes of mining automobile equipment; severe climate; open pit depth; rock
mass transportation distance; rock energy-absorption; mining labour intensity.
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