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Название Features of secondary stress field formation under anthropogenic change in subsoil during underground mineral mining
DOI 10.17580/em.2020.01.02
Автор Galchenko Yu. P., Eremenko V. A., Kosyreva M. A., Vysotin N. G.
Информация об авторе

Academician Melnikov Research Institute of Comprehensive Exploitation of Mineral Resources, Russian Academy of Sciences, Moscow, Russia:

Galchenko Yu. P., Leading Researcher, Doctor of Engineering Sciences, Professor


College of Mining, NUST MISIS, Moscow, Russia:
Eremenko V. A., Director of Research Center for Applied Geomechanics and Convergent Technologies in Mining, Doctor of Engineering Sciences, prof.eremenko@gmail.com
Kosyreva M. A., Postgraduate Student
Vysotin N. G., Postgraduate Student


This article reports the studies of the secondary stress field induced by conventional and unconventional mining with nature-like technologies, including honeycomb and frame mine structures. The authors propose a new coefficient of influence for the quantitative assessment of the natural stress field distortion due to mineral mining. Using the data of mine tests, numerical modeling, physical simulation, and calibration of the developed numerical models, the diagrams of influence exerted by the parameters of a mining system on the structure of the secondary stress field are plotted. The highest effect on extension of tensile strain zones belongs to the systems of mining with caving. The weakest impact on enclosing rock mass is exercised by mining with backfilling as compared with the same or similar systems without backfill. The best index Tv = 1 is obtained in case of the new frame mine system recommended for thick and medium-thickness ore bodies in difficult geological conditions. For the honeycomb mine structure designed for extraction of rock salt and polyhalite, the resultant characteristics of the mine stability and mining impact on enclosing rock mass are also positive.

The study was supported by the Russian Science Foundation, Project No. 19-17-00034.

Ключевые слова Anthropogenically transformed subsoil, nature-like geotechnical systems, natural and secondary stress fields, underground mining systems, frame and honeycomb structure mines, microstrains με, rock mass, coefficient of influence, failure criterion, stability criterion
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Полный текст статьи Features of secondary stress field formation under anthropogenic change in subsoil during underground mineral mining