EVALUATION OF THE STATE OF THE NEAR-CONTOUR MOUNTAIN MASSIF IN JOINT LAVA WITH THE ADJACENT EXCUTTING DEVELOPMENT

Оценка состояния приконтурного горного массива на сопряжении лавы с примыкающей выемочной выработкой
Aliev S.B. Demin V.F. Kainazarov A.S. Miletenko N.A.
2023 Ugol Journal Edition, LLC

Ugol
2023 Issue 1 35 - 39 pp.

While maintaining workings during operation, work is carried out to eliminate the effects of heaving of soil rocks that occur during plastic deformations with extrusion of soil rocks into the cavity The revealed patterns of changes in the stress-strain state of coal-rock massifs (displacements, stresses, cracking zones), depending on the main mining-geological and mining-technical factors, made it possible to establish the optimal parameters for fixing soil rocks and developing technological schemes for fixing that can significantly reduce the manifestations of heaving of soil rocks in mine workings . Developed and tested in the mines of the Karaganda coal basin, the technology of anchor fastening of near-contour rocks during mining

Attachment parameters , Coalrock mass , Convergence , Geomechanical processes , Heaving of the soil of the mine , Mine working boundary , Mining engineering factors , Process of support , Rockbolt support , stability of rock outcrops , Strains , Stresses , Underground mine workings

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Research Institute of Comprehensive Exploitation of Mineral Resources of Russian Academy of Sciences (IPKON RAS), Moscow, 111020, Russian Federation
A. Saginov KarTU, Karaganda, 100027, Kazakhstan
K. Satpaev Ekibastuz Engineering and Technical Institute, Ekibastuz, 141028, Kazakhstan
The National Academy of Sciences, Kazakhstan
The «Mining Department», Kazakhstan

Research Institute of Comprehensive Exploitation of Mineral Resources of Russian Academy of Sciences (IPKON RAS)
A. Saginov KarTU
K. Satpaev Ekibastuz Engineering and Technical Institute
The National Academy of Sciences
The «Mining Department»

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