IMPROVEMENT OF THE TECHNOLOGY OF ANCHORING OF THE CONTOUR MASSIF DURING MINING EXCAVATIONS IN COAL MINES
Совершенствование технологии анкерного крепления приконтурного массива при проведении горных выработок на угольных шахтах
Demin V.F. Aliev S.B. Yussupov Kh.A. Dolgonosov V.N. Portnov V.S. Ozhigin S.G.
2022Ugol Journal Edition, LLC
Ugol
2022Issue 956 - 60 pp.
When maintaining workings during operation, work is carried out to eliminate the consequences of heaving of soil rocks that occurs during plastic deformations with extrusion of soil rocks into the working cavity under the action of contour rock pressure. The revealed patterns of changes in the stressed-deformed state of carbon-bearing masses (displacements, stresses, cracking zones), depending on the main mining-geological and mining technical factors, made it possible to establish the optimal parameters for fastening soil rocks and develop technological fastening schemes that significantly reduce the occurrence of heaving of soil rocks in mine workings. The technology of anchor fastening of marginal rocks during mine workings on gentle and inclined coal seams was developed and tested in the mines of the Karaganda coal basin.
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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A. Saginov KarTU, Karaganda, 100027, Kazakhstan
Research Institute of Comprehensive Exploitation of Mineral Resources, Russian Academy of Sciences (IPKON RAS), Moscow, 111020, Russian Federation
K.I. Satbayev KazNRTU, Almaty, 050046, Kazakhstan
A. Saginov KarTU
Research Institute of Comprehensive Exploitation of Mineral Resources
K.I. Satbayev KazNRTU
10 лет помогаем публиковать статьи Международный издатель
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