Abstract
The author offers a new deformation criterion for the compressive strength of salt rock specimens. The limiting principal strain is a function of stress parameter in the form of a ratio of hydrostatic pressure and stress intensity. The safety factor based on the deformation criterion is defined. The numerical modeling of experimental compression of various geometry specimens produces the deformation criterion for sylvinite and carnallite of Upper Kama deposit. The offered criterion is applicable to assessment of salt rock stability.
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Original Russian Text © V.N. Aptukov, 2016, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2016, No. 3, pp. 39–45.
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Aptukov, V.N. Deformation criterion of salt rock failure. J Min Sci 52, 448–453 (2016). https://doi.org/10.1134/S1062739116030645
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DOI: https://doi.org/10.1134/S1062739116030645