Localization of deformation and prognostibility of rock failure

Abstract

The general regular patterns in localization of deformation at pre-failure stage in rocks under compression are found and analyzed (sylvinite, marble sandstone). Applicability of speckle-photography methods to problems on rock deformation and failure is proved. The authors define the self-sustained behavior of the localized plastic deformation in rocks under compression, due to effect of various plastic micromechanisms. The autowaves in rock specimens under compression propagate at a rate of ∼10^-5-10^-4 m/s (0.3-3 km/yr), which is close to slow motions induced in the earth crust by an earthquake or a rockburst. The ratio of the experimental and calculated failure times is correlated with the coordinates of the failure points in the test rock specimens.

Original language	English
Pages (from-to)	43-49
Number of pages	7
Journal	Journal of Mining Science
Volume	50
Issue number	1
DOIs	https://doi.org/10.1134/S1062739114010074
Publication status	Published - 2014

Keywords

autowaves
Deformation
failure
localization
rocks

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Geology

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10.1134/S1062739114010074

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Zuev, L. B., Barannikova, S. A., Nadezhkin, M. V., & Gorbatenko, V. V. (2014). Localization of deformation and prognostibility of rock failure. Journal of Mining Science, 50(1), 43-49. https://doi.org/10.1134/S1062739114010074

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abstract = "The general regular patterns in localization of deformation at pre-failure stage in rocks under compression are found and analyzed (sylvinite, marble sandstone). Applicability of speckle-photography methods to problems on rock deformation and failure is proved. The authors define the self-sustained behavior of the localized plastic deformation in rocks under compression, due to effect of various plastic micromechanisms. The autowaves in rock specimens under compression propagate at a rate of ∼10-5-10-4 m/s (0.3-3 km/yr), which is close to slow motions induced in the earth crust by an earthquake or a rockburst. The ratio of the experimental and calculated failure times is correlated with the coordinates of the failure points in the test rock specimens.",

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AU - Zuev, L. B.

AU - Barannikova, S. A.

AU - Nadezhkin, M. V.

AU - Gorbatenko, V. V.

PY - 2014

Y1 - 2014

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