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Journal of Mining Sciences

2016 year, number 3

Modeling Temperature Field Dynamics in Post-Blasting Open Pit Mines in Permafrost

M. V. KAIMONOV, S. V. PANISHEV
Chersky Institute of Mining of the North, Siberian Branch, Russian Academy of Sciences, pr. Lenina 43, Yakutsk, 677980 Russia
Keywords: карьер, криолитозона, многолетнемерзлые породы, смерзание, температура пород, драглайн, математическое моделирование, open pit mine, permafrost, adfreezing, rock mass temperature, dragline, mathematical modeling

Abstract

The article discusses the case study of temperature behavior prediction in permafrost rock mass before and after blasting at Kangalass lignite deposit. It is illustrated how the blasting period is related with the temperature behavior in the disintegration of broken rocks. The results are the basis to predict dragline productivity in different seasons and to select efficient scheme for blasted rock removal.