Methodological aspects and results of studying the breaking and seismic effects of blasting in surface mining of mineral deposits

DOI: https://doi.org/10.30686/1609-9192-2025-5-38-42

Читать на русскоя языкеN.N. Efremovtsev
Institute of Comprehensive Exploitation of Mineral Resources of the Russian Academy of Sciences, Moscow, Russian Federation
Russian Mining Industry №5 / 2025 p. 38-42

Abstract: The paper discusses methodological aspects of studying the breaking and seismic effects of blasting at a test site and the specific features of using the smooth particle hydrodynamics (SPH) method to assess the patterns of parameter changes in solid and fractured rock masses. The dependence of the resulting vector velocity of ground displacement on the detonation velocity was analyzed based on the results of many years of field tests of charges with different energy densities and the detonation velocities ranging from 1.8 to 8.5 km/s, as well as numerical modeling using the smoothed particle hydrodynamics method. It has been established that the dependence of the ground displacement velocity on the detonation velocity of the charges and the energy release velocity is polynomial in nature. This indicates the complex, nonlinear nature of the process of energy release by the explosive and its absorption by a heterogeneous rock mass as it moves away from the charge. This pattern implies the possibility of extremes, i.e. areas of maximum or minimum effect, which is important to consider when forecasting and optimizing parameters of the blasting operations.

Keywords: drilling and blasting operations, seismic effect, detonation velocity, kinetics of energy release and absorption, smoothed particle hydrodynamics method, solid rock mass, fractured rock mass, field tests, resulting vector velocity of soil displacement, numerical modelling, optimization of blasting parameters

Acknowledgements: The research was conducted at the IPKON RAS as part of FMMS-2024-0007 and FMMS-2024-0008 research programmes. The results of the studies performed by the author under the State Contract entitled ‘Development of technology for controlling the sensitivity and performance of ballistit powders, individual and mixed explosives’ (‘Parameter-C’ code name) were used in the research.

For citation: Efremovtsev N.N. Methodological aspects and results of studying the breaking and seismic effects of blasting in surface mining of mineral deposits. Russian Mining Industry. 2025;(5):38–42. (In Russ.) https://doi.org/10.30686/1609-9192-2025-5-38-42

Article info

Received: 03.07.2025

Revised: 23.09.2025

Accepted: 23.09.2025

Information about the author

Nikita N. Efremovtsev – Cand. Sci. (Eng.), Full-Fledged Member of the Academy of Mining Sciences, Senior Research Associate at Department No. 5 of Geomechanics and Rock Disintegration, Institute of Comprehensive Exploitation of Mineral Resources of the Russian Academy of Sciences, Moscow, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

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