Abstract
The authors have determined the causes of drop in performance of induced block caving using fans of blastholes 105 mm in diameter and single blastholes 250 mm in diameter, as well as the sources of increased drilling cost and expansion of start-up time of production blocks in Abakan underground mine. Alternatives of improvement in drilling efficiency under current conditions are discussed.
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Original Russian Text © V.A. Eremenko, V.N. Karpov, V.V. Timonin, N.G. Barnov, I.O. Shakhtorin, 2015, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2015, No. 6, pp. 49–64.
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Eremenko, V.A., Karpov, V.N., Timonin, V.V. et al. Basic trends in development of drilling equipment for ore mining with block caving method. J Min Sci 51, 1113–1125 (2015). https://doi.org/10.1134/S106273911506037X
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DOI: https://doi.org/10.1134/S106273911506037X