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Journal of Mining Science

, Volume 53, Issue 4, pp 702–707 | Cite as

Technical Approach to Prediction of Dragline Productiveness in Blasted Rock Handling at Open Pit Mines in Permafrost Zone

  • S. V. Panishev
  • M. V. Kaimonov
Mineral Mining Technology
  • 29 Downloads

Abstract

The authors describe a technical approach to validating efficient regimes and process flow charts for draglines in open pit mining in permafrost zone; the approach integrates modeling data on temperature conditions of permafrost treated by blasting, geometrical parameters of a dragline face and interaction of work cycle time and face rock temperature in different seasons. It is shown that a dragline has the appreciably reduced productivity in slice-by-slice handling of broken-rock disintegration having negative temperature.

Keywords

Open pit mine permafrost zone permafrost formations adfreezing rock temperature dragline mathematical modeling 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  1. 1.Chersky Institute of Mining of the North, Siberian BranchRussian Academy of SciencesYakutskRussia

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