Localization of deformation and prognostibility of rock failure

L. B. Zuev, S. A. Barannikova, M. V. Nadezhkin, V. V. Gorbatenko

Research output: Contribution to journalArticle

8 Citations (Scopus)

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 languageEnglish
Pages (from-to)43-49
Number of pages7
JournalJournal of Mining Science
Volume50
Issue number1
DOIs
Publication statusPublished - 2014

Fingerprint

Rocks
Compaction
rock
compression
Rock bursts
rockburst
Marble
speckle
Photography
plastic deformation
photography
Speckle
Sandstone
marble
Plastic deformation
Earthquakes
plastic
Earth (planet)
sandstone
Plastics

Keywords

  • autowaves
  • Deformation
  • failure
  • localization
  • rocks

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Geology

Cite this

Localization of deformation and prognostibility of rock failure. / Zuev, L. B.; Barannikova, S. A.; Nadezhkin, M. V.; Gorbatenko, V. V.

In: Journal of Mining Science, Vol. 50, No. 1, 2014, p. 43-49.

Research output: Contribution to journalArticle

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