Abstract
Potential ranges of use of draglines at steeply dipping diamond ore deposits in Yakutia are discussed. Technology of stripping with direct dumping and rehandling by draglines is substantiated for upper overburden layers. A variant of increasing height of stripping benches on haulage horizons through the use of draglines and crane lines is discussed. A resource saving technology is proposed for mining roundish and extended ore bodies with alternating advance of mining front and with internal dumping. The method of estimating efficient thickness of overburden in case of direct dumping is developed using the layer coefficient of overburden rehandling. Expediency of using blasting for displacement of broken overburden to internal dump is specified.
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Original Russian Text © V.I. Cheskidov, A.N. Akishev, G.G. Sakantsev, 2018, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2018, No. 4, pp. 111–123.
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Cheskidov, V.I., Akishev, A.N. & Sakantsev, G.G. Use of Draglines in Mining Diamond Ore Deposits in Yakutia. J Min Sci 54, 628–637 (2018). https://doi.org/10.1134/S1062739118044099
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DOI: https://doi.org/10.1134/S1062739118044099