RELIABILITY AND STABILITY OF PILLARS IN SHALLOW AND INCLINED ORE FORMATIONS
Duisenbek Z. Alimzhanov A.
2022Scibulcom Ltd.
Journal of the Balkan Tribological Association
2022#28Issue 6912 - 926 pp.
The relevance of the subject matter is conditioned by the presence of significant problems of stability of underground support structures in ore deposits, which often causes accidents during the mining operations, and the need to find out and imple-ment effective options for the construction of underground support structures in shallow and inclined ore formations, in order to increase the level of safety of mining operations. The purpose of this study is the investigation of the main problems of the stability of the pillars in shallow and inclined ore formations and the search for optimal opportunities to ensure the stability of underground support structures during mining operations. The basis of the methodological approach is a combination of methods of system analysis of the principles of building stable underground support structures in shallow and inclined ore formations, which is essential from the standpoint of ensuring the safety of mining operations, with an analytical study of the causes and development of stress-strain states of these structures, which neg-atively affects their overall stability. In the course of this study, the results were obtained indicating a significant influence of tension in the pillars on their stability, which is essential from the viewpoint of ensuring the safety of mining operations.
ore deposits , ore layers , ore mining , safety of ore extraction , stability of pillars , underground support structures
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Department of Mechanics, U.A. Joldasbekov Institute of Mechanics and Engineering, Al-Farabi Kazakh National University, 71 Al-Farabi Str, Almaty, 050040, Kazakhstan
Department of Mechanics
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