PSI - Issue 32

S.S. Andreiko et al. / Procedia Structural Integrity 32 (2021) 3–9 V.Anikin / Structural Integrity Procedia 00 (2021) 000–000

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charge and the use of another type of explosive (ammonite safety AP-5ZhV) and charge length (1.2 m). Acknowledgments The study has been conducted with a financial support of Perm Kray and the Russian Foundation for Basic Research within the Scientific Project No. 19-45-590004 and the Basic Scientific Research Program (Project No. 0422-2019-0148-C-01). References [1] Shcherba, V.Ya., et al. 2004. Gas-dynamic processes management at the Starobinskoye potash salt deposit. M.: Publishing house of the Moscow State Mining University, 194 p. [2] Mosinets, V.N. 1976. Crushing and seismic action of an explosion in rocks. M.: Nedra, 271p. [3] Baum, F.A., et al. 1975. Explosion physics. M.: Science, 704p. [4] Adushkin, V.V., Spivak, A.A. 1993. Geomechanics of large-scale underground explosions. M.: Nedra, 316p. [5] Kocharyan, G.G., Spivak, A.A. 2003. Dynamics of deformation of block rock massifs. M.: ICC "AKADEMKNIGA", 423p. [6] Hanukaev, A.N. 1962. Energy of stress waves during the destruction of rocks by an explosion. M.: Gosgotrekhizdat, 200 p. [7] Baum F.A., et al. 1964. Determination of the explosion impulse along the generatrix of the well and the optimal parameters of the borehole charge. Explosive business, 54(11) 53-102. [8] Maltsev, V.M., Anikin, V.V. 2020. Determination of the value of the line of least resistance of the explosive blasthole charge tak[ing into account its radial clearance. Mountain echo, 78(1) 42-46. [9] Guidelines for blasting operations at the potash mines of the Verkhnekamskoye deposit. 1984. Perm, 195p. [10] Lykhin, P.A., Maltsev, V.M. 1999. Normalized crushing impulse as an indicator of rock crushing. Physical problems of destruction of rock massifs: collection of articles. Report International conference 174–176. [11] Maltsev, V.M. 2010. Calculation of the radius of the crack formation zone for a single elongated explosive charge. Strategy and processes for the development of georesources. Collection of scientific papers. Perm: State Institute of the Ural Branch of the Russian Academy of Sciences, 220–222. [12] Andreiko, S.S. 2016. Gas-dynamic phenomena during driving of preparatory workings in enclosing rocks at the "International" mine of JSC "Alrosa". Strategy and processes for the development of georesources: collection of articles. scientific. tr. Perm: State Institute of the Ural Branch of the Russian Academy of Sciences 14, 304-307. [13] Nesterov, E.A., Maltsev, V.M. 2018. Experimental determination of the radius of the zone of effective crack formation during torpedoing of a carnallite formation. Strategy and processes of development of georesources: collection of articles. scientific. tr. Perm: State Institute of the Ural Branch of the Russian Academy of Sciences 16, 324-326. [14] Nesterov, E.A., 2019. Experimental determination of the radius of the effective crack formation zone during torpedoing of the carnallite halite layer of the potassium-magnesium salt layer in the conditions of the Gremyachinsky GOK mine ". Gornoe Echo: scientific and technical publication. 76(3), 88-92.