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Journal of Mining Sciences

2018 year, number 1

Using Kaiser Effect in Composites for the Stress Stress Control in Rock Mass

P. V. NIKOLENKO1, V. L. SHKURATNIK1, M. D. CHEPUR1, A. E. KOSHELEV2
1National University of Science and Technology, Leninskii pr. 4, Moscow, 119049 Russia
2GAZPROM Geotechnology, ul. Stroitelei 8, Bld. 1, Moscow, 119311 Russia
Keywords: массив горных пород, измерения и контроль, напряженное состояние, композиционные материалы, акустическая эмиссия, эффект памяти, rock mass, measurement and control, stress state, composite material, acoustic emission, stress memory effect

Abstract

Stress memory in consolidating composites in acoustic emission is studied experimentally to understand feasibility of its application in stress state control in rock mass. The tests show that, owing to uniformity and comparatively high responsiveness of acoustic emission behavior under straining, composite materials, when placed in a geomedium, allow highly accurate identification of tensor of actual stresses in it.