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Journal of Mining Sciences

2015 year, number 3

Experimental Justification of Nonlocal Failure Criteria for Geomaterial Plates with a Circular Hole under Nonequicomponent Compression

S. V. SUKNEV
Chersky Institute of Mining of the North, Siberian Branch, Russian Academy of Sciences, pr. Lenina 43, Yakutsk, 677980 Russia
Keywords: failure, geomaterial, scale factor, stress concentration, hole, nonlocal failure criteria

Abstract

The theoretical and experimental analyses involve influence of boundary conditions on failure of brittle geomaterial in the area of high stress concentration under nonequicomponent compression, considering scale factor. The critical stress values calculated based on integral and gradient criteria are compared with the experimental data.