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Zhurnal Tekhnicheskoi Fiziki, 2014 Volume 84, Issue 12, Pages 77–80 (Mi jtf8283)

Solids

Influence of the surface crack concentration and crack orientation in concrete subjected to a pulsed mechanical action on the electrical response parameters

T. V. Fursa, D. D. Dann, A. A. Demikhova

Tomsk Polytechnic University

Abstract: A correlation between the parameters of an electrical response to an elastic impact excitation of sand-cement samples and the surface crack concentration is studied. It is found that as the crack concentration grows, the damping coefficient of the electrical signal spectral energy linearly increases irrespective of the mutual orientation of the cracks.

Received: 22.04.2014


 English version:
Technical Physics, 2014, 59:12, 1815–1818

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