Authors: V.Yu. Sinegubov

Title of the article: Development of a comprehensive approach to predicting the stress state of the rock mass and testing it at the Oleniy Ruchey deposit

Year: 2025, Issue: 2, Pages: 68-79

Branch of knowledge: 2.8.6. Geomechanics, destruction of rocks by explosion, mine aerogasdynamics and mining thermophysics

Index UDK: 622

DOI: 10.26730/1999-4125-2025-2-68-79

Abstract: The efficiency and safety of construction and operation of any mining enterprise, and especially to rock burst hazardous or deposits, directly depends on the degree of detail and reliability of the stress state forecast at each mining site. The article contains the research results aimed at developing a reliable and practical approach to studying and predicting the stress state of the rock mass during the construction of underground mines. The analysis of the latest achievements in the field of studying the stress-strain state of a rock mass is presented, and main problems that researchers face in the field stress assessment are identified. The developed approach is based on the principles of mass, accuracy and similarity of measurements proposed by Yu.N. Ogorodnikov. Based on these principles, a comprehensive approach is described enabling deep analysis and generalization of geomechanical processes occurring in rock burst hazardous ore deposits. The sequence of measurement and information processing stages is presented, as well as the results of testing the approach on the example of the apatite-nepheline deposit Oleniy Ruchey, located in the Khibiny massif on the Kola Peninsula. The approach application allows to give a qualitative and quantitative assessment of the initial stress field throughout the deposit, to find patterns of changes in the stress field with increasing depth, and to predict geomechanical processes on projected horizons. The obtained data coincide with the results of instrumental stress measurements at the mine, which allows us to conclude that this approach is effective.

Key words: ore deposit stress-strain state stress measurement full-scale measurements brittle fracture

Receiving date: 30.09.2024

Approval date: 22.04.2025

Publication date: 11.06.2025

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