Technological conditions for ensuring the stability of the array of enclosing rocks during the fastening of mine workings
Khalikova E.R. Diomin V.F. Demina T.V. Syzdykbaeva D. Zakirov S.S.
2024Institute of Metallurgy and Ore Beneficiation JSC
Kompleksnoe Ispolzovanie Mineralnogo Syra
2024#330Issue 376 - 84 pp.
Ensuring the stability of the array of enclosing rocks during the fastening of mine workings is possible only if there is a highly efficient technology for conducting and maintaining workings. For fixing the mining, taking into account the technological stratification of coal-bearing massifs, a method using anchor fastening technology is recommended. The effect of the proposed method of fastening workings is that high reliability of fastening is ensured, and the volume of labor-intensive processes to combat the collapse and stratification of rocks is reduced. The stability of the contours of preparatory workings, taking into account their stress-strain state, depending on mining, geological, and technological factors of factors using the finite element method, is investigated. The boundaries of the area of inelastic deformations are determined by the method of successive loadings. The parameters of deformation of the lateral rocks of the mine workings from the angle of incidence of the formation and the depth of anchoring are considered.
anchorage , fastening parameters , geomechanical processes , manifestations of rock pressure , mining , technological schemes
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Non-profit joint-stock company “Abylkas Saginov Karaganda Technical University”
Branch of the Federal State Autonomous Educational Institution of Higher Education National Research Technological University MISIS
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