Abstract
Determination of a limit load in the problem of instability of rib pillars in the course of axisymmetrical bulging involves three variants of the pillar’s pre-critical state: elasticity, perfect plasticity and post-limit deformation. The problem formulation is after Leibenzon-Ishlinskiy. The task is to find limit loads of a pillar with a pre-set dimension, such that the pillar instability is axisymmetrical.
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 4, pp. 3–12, July–August, 2010.
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Chanyshev, A.I., Belousova, O.E. Limit Loads in the Problem of Instability in Rib Pillars during Axisymmetrical Bulging. J Min Sci 46, 343–351 (2010). https://doi.org/10.1007/s10913-010-0043-4
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DOI: https://doi.org/10.1007/s10913-010-0043-4