Abstract
The plane and axially symmetric 2D numerical modeling of rock mass blasting is carried out using the Lagrangian tensor-based method. The results are compared with the actual direct measurements of rock mass permeability in the near zone of underground nuclear explosion Dnepr-1 in Khibiny in 1972. The post-explosion permeability of hard rocks is assessable at an admissible accuracy using the calculated shear strain intensity. A case-study of rock mass permeability change assessment in the near zone of blasting of a complex configuration charge is discussed.
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2023, No. 1, pp. 12-21. https://doi.org/10.15372/FTPRPI20230102.
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Budkov, A.M., Kocharyan, G.G. & Kishkina, S.B. Assessment of Change in Rock Mass Permeability in the Vicinity of Underground Explosion from Experimental Data and Numerical Modeling. J Min Sci 59, 8–16 (2023). https://doi.org/10.1134/S1062739123010027
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DOI: https://doi.org/10.1134/S1062739123010027