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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2012, Volume 53, Issue 6, Pages 144–152
(Mi pmtf1430)
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This article is cited in 29 scientific papers (total in 29 papers)
High-rate deformation and fracture of fiber reinforced concrete
A. M. Bragovab, B. L. Karihalooc, Yu. V. Petrovd, A. Yu. Konstantinova, D. A. Lamzinab, A. K. Lomunovab, I. V. Smirnovd a Institute of Mechanics, Lobachevsky Nizhny Novgorod State University, Nizhny Novgorod, 603950, Russia
b State University of Architecture and Civil Engineering University, Nizhny Novgorod, 603950, Russia
c University of Cardiff, CF10 3XQ, Cardiff, UK
d St. Petersburg State University, St. Petersburg, 199034, Russia
Abstract:
This paper presents the results of dynamic compression and splitting-tensile tests of cardiff fiber reinforced concrete (CARDIFRC) composite using the Kolsky technique and its modification. The strength and deformation characteristics of fiber-reinforced concrete were determined experimentally at high strain rates. The mechanical characteristics were found to depend on the strain rate and stress rate. A uniform interpretation of the rate effects of fracture of the tested fiber-reinforced concrete is given on the basis of a structural-temporal approach. It is shown that the time dependences of both the compressive and tensile strengths of fiber reinforced concrete are well calculated using the incubation time criterion.
Keywords:
fiber-reinforced concrete, Kolsky technique, compression, splitting, fracture, incubation time, dynamic strength.
Received: 20.02.2012
Citation:
A. M. Bragov, B. L. Karihaloo, Yu. V. Petrov, A. Yu. Konstantinov, D. A. Lamzin, A. K. Lomunov, I. V. Smirnov, “High-rate deformation and fracture of fiber reinforced concrete”, Prikl. Mekh. Tekh. Fiz., 53:6 (2012), 144–152; J. Appl. Mech. Tech. Phys., 53:6 (2012), 926–933
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https://www.mathnet.ru/eng/pmtf1430 https://www.mathnet.ru/eng/pmtf/v53/i6/p144
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