Abstract
The article presents the integrated research into geomechanics and geodynamics of the Maly Tulukui uranium ore deposit in southeastern Transbaikalia. The studies into tectonic structure and the terrain morphometry in the area of the Steltsovka ore field reveals the modern geodynamics features and their correlation with the stress–strain behavior of rock mass. The stress field parameters and the physical/mechanical properties of rocks point at potential of dynamic fracture in the edge area of the deposit. The numerical stress–strain modeling and in-situ observation data prove the tendency of rock mass to rockbursting, and the bottom levels of the deposit (at the depth of 500 m and downward) are assessed as rockburst-hazardous. A package of measures aimed to prevent rock bursts and to reduce geodynamic risk is developed for the mining safety.
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Notes
The stress–strain analysis of the Maly Tulukui deposit was performed with the participation of R. V. Krinitsyn and S. V. Sentyabov from the Institute of Mining, Ural Branch, Russian Academy of Sciences.
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2021, No. 5, pp. 5-15. https://doi.org/10.15372/FTPRPI20210501.
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Rasskazov, I.Y., Petrov, V.A., Fedotova, Y.V. et al. Maly Tulukui Deposit in Southeastern Transbaikalia: Geomechanics and Geodynamics. J Min Sci 57, 713–721 (2021). https://doi.org/10.1134/S106273912105001X
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DOI: https://doi.org/10.1134/S106273912105001X