- Abstract:
- The issues of underground mining of deep horizons of ore deposits in conditions of high rock pressure, temperatures and seismic activity are considered. Methods: generalization of literary data and statistical reports on the activities of mining enterprises in Russia and abroad. Results. The stages of the development of mining reinforcement technologies have been summarized. Several stages have passed at the mines, due to the capabilities of their era. Information is provided on the technologies of hardening ore-bearing rock arrays, their features when working in uncomfortable conditions. The disadvantages of rock hardening technologies and areas of improvement are shown. A typification of methods for hardening the ore-bearing massif has been developed. It is shown that methods of fastening mine workings based on anchor-shotcrete technologies are a priority in mining regions of the world, because they take into account local mining and geological conditions and technological traditions. A reference is given on the directions of solving the problem in regions with advanced ore mining technology: Russia, South Africa, China, etc., using combined systems with anchors and sprayed concrete and grouting. The prospects of developing composite anchors from non-metallic materials and creating hybrid structures combining metal reinforcement with a polymer shell are noted. The role of intelligent support monitoring systems, robotization and automation, as well as new materials and technologies is outlined. The prospects of shotcrete mixtures with polymer compositions based on polyurethanes, inflatable reinforced hoods, heat-resistant fasteners and permafrost conditions are noted. Conclusion. It is shown that fastening technologies are characterized by conversion from passive support systems to active complexes. Continuing research and generalizing world experience, it is necessary to create reliable and economical fastening systems for the development of ore mining at great depths.
- Keywords:
- ore deposits, underground mining, rock fixing, rock hardening
- For citation:
- Sargsyan S.S. Modern methods of fastening mining workings. Mine Surveying and Subsurface Use. 2026; 26 (3): 86-90. (In Russ.). https://doi.org/10.56195/20793332-2026-26-3-86-90.
- Information about the authors:
-
- Sergey S. Sargsyan – PJSC MMC Norilsk Nickel, Engineer, Mining Process Support Department of the Mining Production Department, Mining Production Department, Production Support Directorate, Moscow, Russian Federation; e-mail:
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- Sergey S. Sargsyan – PJSC MMC Norilsk Nickel, Engineer, Mining Process Support Department of the Mining Production Department, Mining Production Department, Production Support Directorate, Moscow, Russian Federation; e-mail:
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