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Kozyrev А.А., Rybin V.V., Zhirov D.V., Bilin А.L., Vinogradov А.N., Kasparian E.V., Vinogradov Yu.A., Semyonova I.E., Zhirova A.M.
Methodological principles of effective and safe open-pit mining at deep horizons of mineral deposits
Abstract. The paper presents the investigation results of grindibility of copper-nickel ore sample, differences in the behavior of narrow grain size categories using rod and ball mill grinding. The characteristic mechanisms of destruction of the categories have been identified; the energy input on grinding has been estimated. Basing on the obtained data the choice of a two-stage scheme of grinding with rod mill at the first stage, and the ball mill at the second one for efficient ore preparation for flotation has been substantiated.
Keywords: surface mining, slope stability, stress state, seismology, engineering geology, geomechanics, slope stability monitoring
Printed reference: Methodological principles of effective and safe open-pit mining at deep horizons of mineral deposits / А.А. Kozyrev, V.V. Rybin, D.V. Zhirov, А.L. Bilin, А.N. Vinogradov, E.V. Kasparian, Yu.A. Vinogradov, I.E. Semyonova, A.M. Zhirova // Vestnik of MSTU. 2009. V. 12, No 4. P. -.
Electronic reference: Methodological principles of effective and safe open-pit mining at deep horizons of mineral deposits / А.А. Kozyrev, V.V. Rybin, D.V. Zhirov, А.L. Bilin, А.N. Vinogradov, E.V. Kasparian, Yu.A. Vinogradov, I.E. Semyonova, A.M. Zhirova // Vestnik of MSTU. 2009. V. 12, No 4. P. -. URL: http://vestnik.mstu.edu.ru/v12_4_n37/articles/15_kozyr.pdf.
