"Explosion technology"— scientific and technical journal

Geotechnical zoning of quarry mines to manage rock explosibility

Keywords:geotechnical zoning, blastability, structural geology, logging, stereographic analysis, specific consumption of explosives, digital model

This article presents a systems analysis of modern methods of geotechnical zoning of deposits aimed at improving the efficiency of drilling and blasting operations (D&B). The structural and geological characteristics of rock masses (fracturing, blockiness, tectonic disturbance) and their impact on blast energy transfer are examined. A comparative analysis of domestic and international methodologies for assessing rock blastability is performed, including the Sukhanov classification, RMR and GSI geomechanical ratings, and JKMRC empirical models. It is shown that the integration of geotechnical and geological well logging data, stereographic analysis, and 3D geological modeling enables the transition from standardized blasting and blasting passports to adaptive blast control in each structural domain.

1. Moskalenko V.P. The Influence of Structural Heterogeneity of the Rock Mass on the Efficiency of Drilling and Blasting Operations. Moscow: Nedra, 2015, 320 p.
2. Redin E.N. Geomechanical Zoning in the Design of Blasts in Quarries // Physical and Technical Problems of Mineral Development. 2018, No. 4, pp. 56-64.
3. Hoek E., Brown E.T. Practical Estimates of Rock Mass Strength // International Journal of Rock Mechanics and Mining Sciences. 1997, Vol. 34, No. 8, pp. 1165-1186.
4. Palmström A. The Use of the Q-System for Rock Mass Characterization // Tunnelling and Underground Space Technology. 2005, Vol. 20, No. 4. – P. 377-389.
5. Cunningham C.V.B. The Kuz-Ram model for predicting fragmentation from blasting // Proceedings of the 1st International Symposium on Rock Fragmentation by Blasting. – Lulea, 1983. – P. 439-453.
6. Mechanics of rock shear and fracture. Viktorov S.D., Goncharov S.A., Iofis M.A., Zakalinsky V.M. / Editor-in-chief Academician K.N. Trubetskoy; Melnikov Institute for Integrated Mineral Resource Development of the Russian Academy of Sciences. – Moscow: RAS, 2019.360 p.
7. Explosive and geomechanical processes in fractured stressed rock masses: monograph / V.N. Tyupin. – Belgorod: ID "Belgorod" NRU "BelSU", 2017. − 192 p.
8. Sukhanov A.F. Classification of rocks by blastability. – Moscow: Ugletekhizdat, 1957. – 128 p.
9. Lilly P.A. An empirical method of assessing rock mass blastability // Proceedings of the AusIMM Annual Conference. – Perth, 1986. – P. 89-92.
10. Scott A., Onederra I. Blast optimization through geotechnical and MWD data integration // International Journal of Mining Science and Technology. – 2019. – Vol. 29, No. 3. – P. 415-422.
11. Segarra P., Sanchidrián J.A. A review of blastability indices for rock mass // Rock Mechanics and Rock Engineering. – 2021. – Vol. 54, No. 2. – P. 789-810.
12. Avdeev A.N., Smetanin V.V. Using MWD data to clarify lithological boundaries in coal mines // Mine Surveying Bulletin. – 2017. – No. 5. – P. 22-27.
13. Read J., Stacey P. Guidelines for open pit slope design. – CSIRO Publishing, 2009. – 496 p.
14. Thornton D., Kanchibotla S. The influence of geological structures on blast fragmentation // Proceedings of the 8th International Symposium on Rock Fragmentation by Blasting. – Santiago, 2006. – P. 192-199.
15. Kuznetsov V.V. Stereographic Analysis of Fracturing in Well Grid Design // Izvestiya UGMU. – 2019. – No. 3 (55). – P. 44-51.
16. Ash R.L. The Influence of Geological Discontinuities on Rock Blasting // Ph.D. Thesis. – University of Minnesota, 1973. – 210 p.
17. Bieniawski Z.T. Engineering Rock Mass Classifications. – New York: Wiley, 1989. – 251 p.
18. JKMRC Fragmentation and Damage Model // Proceedings of the 6th ISRM Congress. – Montreal, Canada, 1987. – Paper No. ISRM-6CONGRESS-1987-257.
19. A review of development of better prediction equations for blast fragmentation // Journal of Rock Mechanics and Geotechnical Engineering. – 2019. – Vol. 11, No. 2. - P. 413-426.
20. Rao K.R. Blast design for fragmentation of anisotropic rock mass in surface mines (1995).
21. Bieniawski Z. T. Engineering rock mass classifications (1989).
22. Hoek E., Brown E. T. The geological strength index (GSI) and its application to engineering problems (1997).
23. Barton N., Lien R., Lunde J. Engineering classification of rock masses for the design of tunnel support (1974).
24. Dir D. U. Rock Quality Designation (RQD) (1964).
25. Kutuzov B.N., Lemesh N.I., Pluzhnikov V.F. Classification of Rocks by Blastability for Quarries / B.N. Kutuzov, N.I. Lemesh, V.F. Pluzhnikov // Mining Magazine, 1979, No. 2. – Pp. 41-43.
26. Kuznetsov V.A. Justification of Drilling and Blasting Technology in Quarries and Open Mine Construction Workings Based on Deformation Zoning of Blasted Faces. Abstract of Doctor of Engineering Sciences Dissertation / V.A. Kuznetsov. – Moscow, 2010.

Dependence of the strength of the rocks of the Yakovlevsky deposit on their mineralogical composition and their influence on the displacement of the contour punches to reduce the overflow of rock mass

Keywords:content of a useful component, strength, durability, classification, dependence, and correlation

The article examines the dependence of the strength of the rich iron ores of the Yakovlevskoye deposit on their chemical composition, in particular, the content of iron and silica. It provides a description of the mineralogical types of ores, their structural and textural features, and their strength properties. The article also describes methods for field and laboratory determination of rock strength, including the use of the Schmidt hammer and uniaxial compression tests, as well as X-ray fluorescence analysis of the chemical composition. Based on the analysis of 2865 samples, a classification of ores by hardness was proposed to optimize blasting processes and reduce rock mass overburden during mine excavation.

1. Bobrysheva A.T., Leonenko I.N. Geology, hydrogeology and iron ores of the Kursk magnetic anomaly basin. – M.: Nedra, Vol. 1, 1970. – 439 p. Vol. 2. – 479 p.
2. Sergeev S.V., Lyabakh A.I., Kvachev V.N., Sevryukov V.V. Geological and hydrogeological characteristics of the Yakovlevskoye deposit. –– B.: 2011. – 147-154 p.
3. GOST 21153.2-84 Rock. Methods for determination of the ultimate strength in uniaxial compression, M.: ICP Publishing House of Standards, 2001
4. GOST 12248-2010 Soils. Methods for laboratory determination of strength and deformability characteristics, M.: Standartinform, 2011
5. Orlov V.P., Shevyrev I.A., Sokolova N.A. Iron ores of KMA. – M.: CJSC Geoinformmark, 2001.
6. Sergeev S.V., Lyabakh A.I., Zaitsev D.A. Experience of development of rich iron ores of Yakovlevskoye deposit of KMA // «Scientific statements of Belgorod State University. series: natural sciences». 2011. No. 3(98). Pp. 200-208.
7. Sirotin V.I., Ignatenko I.M. Hypergenic Iron Ores of the Kryukovo-Gostishchevsky Section of the Kursk Magnetic Anomaly // Bulletin of the Voronezh State University. Series: Geology. 2016. No. 4. Pp. 120-123.
8. Tyupin V.N., Golubnichy D.V., Ignatenko I.M., Ignatenko E.M., Khaustov V.V. Reducing ore and rock overburdens during layer development of the Yakovlevskoye deposit by shifting the lateral contour drills // "Explosive Business". 2025. No. 149/106. Pp. 55-67.

Results of chamber design changes to ensure high-quality ore breaking in cleaning chambers

Keywords:particle size distribution, mass blasting, blasting operations, average particle size, drilling and blasting operations, rock mass

A ferruginous quartzite massif was examined after blasting operations during a mass blast. The size of the broken mass was measured. The particle size distribution of the ore was analyzed. Measurements were taken during loading from the chambers into railcars. The measurements were conducted at the Gubkin mine, JSC "KMAruda Combine." The purpose of this article is to justify changes to blasting parameters during borehole breaking, specifically, changing borehole depths to less than 40 meters, instead of the current 55 meters or more, to improve ore crushing quality. The article includes practical recommendations and technical and economic indicators.

1. Kutuzov B.N., Tyupin V.N. A Method for Calculating Drilling and Blasting Parameters in Quarries to Ensure a Specified Quality of Rock Crushing // Mining Magazine, 2017, No. 8, pp. 66-69.
2. KMARUDA KOMBINAT OJSC. Development of Reserves of the Korobkovskoye Ferruginous Quartzite Deposit at Elevations -71/-125m. Design Documentation / PiterGORProekt CJSC. St. Petersburg. 2012.
3. Underground Mining of Ferruginous Quartzites / G.M. Babayants, L.K. Vertleib, N.Ya. Zhurin, et al. - Moscow: Nedra, 1988. - p.: 168 ill.
4. Kublikov S.N. Measures to control the seismic impact of mass explosions in the Gubkin mine of JSC "KMAruda Combine" on buildings and structures of the mine field surface. / S.N. Kublikov // Scientific and practical journal "Notes of a scientist" - 2022. - Rostov-on-Don: Publishing House of the Southern University "Institute of Management, Business and Law" (IUML). No. 1 / 2022. Pp. 246-251.
5. Ovseychuk V.A., Tyupin V.N. Optimization of the granulometric composition of ore during underground and heap leaching // Mining magazine, 2002. No. 9. Pp. 24-27.
6. Bottom of a block with vibratory ore discharge: patent. 2641554 Russian Federation: IPC E 21 C 41/16/ Kublikov S.N., Korolev N.D. /claims to the Russian Federation patent; declared 27.02.2017; published 18.01.2018. Bulletin No. 2.
7. Kublikov S.N. Calculation of the critical length of a working with forced ventilation/ S.N. Kublikov, N.D. Korolev // Economy, science, production. - 2009. - Gubkin: Gubkin Institute (branch) of the State Educational Institution of Higher Professional Education Moscow State University. Collection of scientific papers No. 23.

Peculiarities of blasting operations during driving in massifs subject to tectonic stresses

Keywords:rock stress state, tectonic stresses, horizontal (inclined) workings, working cross-section formation, stress concentration

This paper examines issues related to increasing the stability of workings during drilling and blasting in rock massifs subject to tectonic forces. This allows for the development of necessary requirements for the process parameters of drilling and blasting operations, which reduce the negative impact of the stress state of the marginal rock. This paper focuses on increasing the stability of the marginal rock during drilling and blasting, based on the patterns of stress changes in the marginal rock during the formation of the working cross-section. Methods for reducing the stress state of the cutting edge during the formation of a working cross-section are based on analytical studies based on the laws governing the formation of the stress field in an elastic medium around openings, as well as on the assessment of the relaxation time of the cutting edge stresses during the expansion of the cutting cavity. Based on the completed studies, it has been shown that:
- blasting and drilling operations for driving workings in tectonically stressed massifs must be developed taking into account the stress state of the rocks;
- expansion of the cutting cavity during the formation of the mine section must be carried out primarily in the direction of the highest compressive stress;
- technologically, it is advisable to expand the cutting edge by controlling the blasting sequence of the blasthole charges, as this allows for the formation of a favorable shape of the expanding cutting edge.
These measures do not negate the advisability of using contour blasting. However, to reduce the explosive impact on the stability of the working walls and roof, it is advisable to use sectional blasting of the contour charges. The patterns obtained in this article make it possible to increase the stability of workings when excavating them using the drilling and blasting method in massifs subject to tectonic forces.

1. Gzovsky M.V. Tectonic stress fields. Izvestiya AN SSSR. Geophysical Series. 1954, 5: 390–410.
2. Leontiev A.V. Review of instrumental control data in the Tashtagol deposit massif. Problems of Subsoil Use. 2018, 3: 44–53. DOI: 10.25635/2313-1586.2018.03.
3. Markov G.A. Tectonic stresses and rock pressure in the mines of the Khibiny massif. Leningrad: Nauka 1977, 213 p.
4. Sidlyar A.V. Geomechanical justification of safety measures during the development of the Nikolaevskoye polymetallic deposit hazardous for rock bursts / A.V. Sidlyar, M.I. Potapchuk, A.A. Tereshin // Mining information and analytical bulletin. - 2017. - 7. - P. 184-194.
5. Leontiev A.V. Some features of the rock massif geodynamics in the Ural-Siberian regions // Geodynamics and stress state of the Earth's interior. - Novosibirsk: Publishing house of the Institute of Mining SB RAS, 2006. - P. 125 - 129.
6. Zubkov A.V. Stress State of the Earth's Crust in the Urals/ A.V. Zubkov // Lithosphere. – 2012. - №. 3. - pp. 3–18.
7. Baron L.I. Contour blasting during mining / L.I. Baron, A.V. Klyuchnikov. - L.: Nauka. - 1967. - 204 p.
8. Mashukov I.V. Development of methods for explosive crushing of unevenly stressed massifs in underground ore mining: Abstract of Cand. Sci. (Eng.) Diss.: 05.15.11 / Mashukov Igor Vladimirovich. - M. - 1983. - 14 p.
9. Hui C. Experimental Study on Fracturing Characteristics of Double-Hole Blasting Under Static Stresses / Hui C., Xianyang Q., Xiuzhi S. et al // Front. Earth Sci. - 2022. - V. 9. - P. 1-11. - doi: 10.3389/feart.2021.829258.
10. Haoyu H. Combined finite-discrete element modeling of rock fracture and fragmentation induced by contour blasting during tunneling with high horizontal in-situ stress/ Haoyu H., Daisuke F., Hong-yuan L. et al //International Journal of Rock Mechanics and Mining Sciences. – 2020. – V. 127. – P.322-345. - doi: 10.1016/j.ijrmms.2020.1042214.
11. Ho S. Study of the Rock Destruction Mechanism during Side Blasting under High Natural Stress Conditions/ Ho S., Shi S., Qiu S. et al. //Appl. Sci. – 2021. –11(11). – 4992. - P. 1-21. - doi:10.3390/app11114992.
12. Rong H. Numerical simulation of rock blasting under different in-situ stresses and joint conditions/ Rong H., Li N., Cao C. et al// PLoS ONE. - 2024. - 19(4). – Р. 1-17. - doi.org/10.1371/journal.pone.0299258.
13. Masayev Yu.A. Conditions of mine workings in stressed rock mass / Yu.A. Masayev // Bulletin of Kuzbass State Technical University. - 2013. - 3 (97). - P. 24-26.
14. Savin G.N. Stress distribution near holes / G.N. Savin. - Kyiv: Naukova Dumka. - 1968. – 887 p.
15. Dzhumayev Z.F. Free vibrations of elastic space with a cylindrical cavity / Z.F. Dzhumayev, Kh.Kh. Khamraev, S.Z. Fatilloev// Young Scientist. – 2016. - No. 12(116). – Pp. 249-250.

Development of a method of special conditions for regulating the industrial safety management system in the provision of public services for the issuance of permits for work with explosive materials for industrial purposes

Keywords:industrial safety, government regulation, government service, work permit, explosives, risk-based approach, special conditions

This article examines the improvement of state regulation in the area of industrial safety when providing the public service of issuing permits for work with industrial explosives. The relevance of the study is determined by the high degree of danger of these production processes and the need to create an effective risk management system. The need to develop a methodological approach integrating administrative regulations and technical safety requirements is substantiated. A risk-based regulatory approach is proposed. An implementation algorithm is presented, along with the expected benefits of increased transparency, reduced corruption risks, and reduced accident rates.

1. Federal Law No. 116-FZ dated 07/21/1997 "On Industrial Safety of Hazardous Production Facilities".
2. Federal Law No. 99-FZ dated 05/04/2011 "On Licensing of certain Types of Activities".
3. Federal Law No. 210-FZ dated 27.07.2010 "On the organization of the provision of State and Municipal Services".
4. Rostechnadzor Order No. 254 dated 04/16/2012 "On Approval of the Administrative Regulations of the Federal Environmental, Technological and Nuclear Supervision Service for the provision of Government services for issuing permits for work with Explosive Materials for Industrial Purposes".
5. Rostechnadzor Order No. 494 dated 12/03/2020 "On Approval of Federal Norms and Rules in the field of industrial safety "Safety Rules for the production, storage and use of explosive materials for industrial purposes".
6. Rostechnadzor Order No. 103 dated 03/09/2023 "On Approval of the Safety Manual "Methodological Recommendations for the Development of Industrial Safety Management Systems in Organizations Operating Hazardous Production facilities".
7. Rostechnadzor Order dated 11.12.2020 "On Approval of the Requirements for the form of submission of information on the organization of industrial control over compliance with industrial safety requirements".
8. Rostechnadzor Order No. 20 dated 20.01.2017 "On Approval of the Safety Guidelines for the Transportation of Hazardous Substances at Hazardous Production Facilities by rail and motor vehicles".

Bibliometric analysis of publications in the journal "Explosion technology"

Keywords:bibliometric analysis, publication activity, thematic classification, scientific publications, rock destruction, blasting operations, PRISMA

The article presents a bibliometric analysis of publications in the journal “Explosion technology” for the period 2004–2025. The study is based on a dataset of 948 research and review articles selected from the eLIBRARY.RU database. The analysis covers publication activity dynamics, authorship structure, contributions of authors and organizations, frequency characteristics of keywords, and thematic distribution of publications. The results indicate that the research field is characterized by a high proportion of co-authored works and a mixed institutional core, including academic institutions, universities, and industry organizations. Keyword frequency analysis reveals the dominance of terms related to explosives, detonation, rock mass fragmentation, and drilling and blasting operations. Thematic classification shows that the largest share of publications focuses on explosives and their compositions, modeling and design, as well as rock mass destruction and comminution. The findings provide a structured characterization of the research landscape and key development trends in the field of blasting operations.

1. Belin V. A. Sovremennye problemy vzryvnogo dela (Modern problems of blasting). Gornyy informatsionno-analiticheskiy byulleten (nauchno-tekhnicheskiy zhurnal) = Mining Information-Analytical Bulletin. 2013. No. S1. pp. 100–108.
2. Viktorov S. D., Galchenko Yu. P. Teoreticheskie i eksperimentalnye issledovaniya kharaktera raspredeleniya energii v massive gornykh porod pri vzryve tekhnologicheskikh zaryadov (Theoretical and experimental studies of energy distribution in rock mass during blasting of technological charges). Inzhenernaya fizika = Engineering Physics. 2018. No. 7. pp. 43–50.
3. Kirsanov A. K. Analiz programmnykh produktov dlya proektirovaniya burovzryvnykh rabot pri otrabotke mestorozhdeniy podzemnym sposobom (Analysis of software products for designing drilling and blasting operations in underground mining). Izvestiya Tulskogo gosudarstvennogo universiteta. Nauki o Zemle = Proceedings of Tula State University. Earth Sciences. 2023. No. 2. pp. 249–259.
4. Popov V. O., Komov V. N. Promyshlennye vzryvchatye veshchestva: istoriya sozdaniya, svoystva, komponenty (Industrial explosives: history, properties, components). Yuzhno-Sibirskiy nauchnyy vestnik = South Siberian Scientific Bulletin. 2023. No. 6(52). pp. 163–170. DOI: 10.25699/SSSB.2023.52.6.022.
5. Handley C. A., Lambourn B. D., Whitworth N. J. et al. Understanding the shock and detonation response of high explosives at the continuum and meso scales. Applied Physics Reviews. 2018. Vol. 5, No. 1. Art. 011303. DOI: 10.1063/1.5005997.
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8. Pritchard A., Thanuskodi S. Bibliometric analysis. IntechOpen. 2020. DOI: 10.1016/j.jbusres.2021.04.070.
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New explosive technologies in the service of mines and mines dangerous for gas or dust

Keywords:explosion-localizing barriers, research and development, automatic system, explosion, coal dust, inert dust, gas, drift, periodical

The article presents an analysis and stages of implementing scientific developments into the practice of mining and blasting in Russia and China, which contributed to the development of new technologies of safety for miners. Under the leadership of Yuriy Vladimirovich Gorlov, Candidate of Technical Sciences, General Director of "MVK po vzryvnomu delu" LLC, and member of the Scientific Council of the Russian Academy of Sciences "On the Problems of Economic Utilization of Explosions" innovative automatic explosion suppression systems were created. This equipment effectively localizes explosions of methane-dust-air mixtures in coal mines. The results are based on the successful application of unique domestic technologies that surpass foreign counterparts and are legally mandated in Russia and the PRC. Special attention is paid to the academic contribution of Y.V. Gorlov, thanks to whom the regular publication of the peer-reviewed scientific and technical collection "Vzryvnoe Delo" (Blasting) was resumed. The developed equipment and the growing scientific periodical have gained recognition from experts and formed a unified foundation for industrial safety in the mining sector.

Modern technologies for blasting operations and explosives (results of the 28th international scientific and practical conference on mining and blasting held by the ANO "NOIV")

Keywords:conference, participants, report, explosion, initiation means

From March 17 to 21, 2026, the 28th International Scientific and Practical Conference on Mining and Blasting Engineering was held in Novosibirsk, the third-largest city in Russia. The conference venue included three sites. The main venue was conference halls No. 2-4 and stand No. 316 on the territory of the Novosibirsk Expocentre International Exhibition Complex, where plenary sessions were held, meetings of the Scientific Council of the Russian Academy of Sciences "On the Problems of National Economic Use of Explosions" and the work of the commission of the Public Council under Rostekhnadzor, seminars with discussions of reports, advanced training, a summary of the conference, and the "Open Mobile Industry Reception of Rostekhnadzor" was held in the format of an open dialogue with representatives of the country's mining industry complex. The second conference venue was located at the Siberian Ring Photon Source (SKIF), where conference participants were introduced to the world's most powerful supermicroscope (a 4+ generation synchrotron radiation source). The third venue was at the industrial site of JSC NMZ Iskra. There, conference participants were able to see and review the results of vacuum vessel design tests, visit the production lines for initiating devices, and learn about manufacturing processes and product testing methods.