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Influence of the scale effect in testing the strength of rock samples

  • Proceedings of the “OMA-19”, “ODPO-19”
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Aspects of the scale effect in rocks are considered within the statistical theory of strength. The results from testing the strength of rock samples of different sizes are presented. It is shown that the average tensile strength falls slightly, and its values drop substantially when the sizes of samples increase. A procedure is developed and tests are performed with the compression of granite samples ~6 mm in diameter. The possibility of using this procedure to identify the strength properties of rocks with allowance for the scale effect is discussed.

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Authors and Affiliations

  1. Ural Federal University, Yekaterinburg, 620083, Russia

    D. V. Zaytsev & P. Ye. Panfilov

  2. Research Institute for the Comprehensive Exploitation of Mineral Resources, Russian Academy of Sciences, Moscow, 111020, Russia

    A. N. Kochanov

  3. Institute of Continuous Media Mechanics, Ural Branch, Russian Academy of Sciences, Perm, 614013, Russia

    I. A. Panteleev

Authors
  1. D. V. Zaytsev
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  2. A. N. Kochanov
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  3. I. A. Panteleev
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  4. P. Ye. Panfilov
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Corresponding author

Correspondence to A. N. Kochanov.

Additional information

Original Russian Text © D.V. Zaytsev, A.N. Kochanov, I.A. Panteleev, P.Ye. Panfilov, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2017, Vol. 81, No. 3, pp. 366–369.

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Zaytsev, D.V., Kochanov, A.N., Panteleev, I.A. et al. Influence of the scale effect in testing the strength of rock samples. Bull. Russ. Acad. Sci. Phys. 81, 337–340 (2017). https://doi.org/10.3103/S1062873817030406

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  • DOI: https://doi.org/10.3103/S1062873817030406

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