Abstract
An experimental study of the dynamic properties of fine-grained concrete reinforced with fine-meshed meshes under dynamic uniaxial compression relative to the original fine-grained concrete has been carried out. Reinforced samples were made by pouring concrete into molds with pre-installed mesh frames. Dynamic tests have been carried out. Dynamic compression tests were carried out using the Kolsky method at strain rates from 30 to 600Ā sā1. The paper presents the composition of the test material, test parameters, as well as a comparative analysis of the data obtained. The introduction of reinforcing meshes into the original fine-grained concrete increased the dynamic strength of the material. The dependences obtained demonstrate that the maximum breaking stresses achieved in the experiments increase linearly with the growth of the strain rate, as do the corresponding limiting strains. The time before the onset of fracture decreases with increasing strain rate according to a power law.
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The work was supported by the Russian Science Foundation grant No. 22-19-00138.
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Gonov, M.E., Balandin, V.V., Bragov, A.M., Konstantinov, A.Y. (2023). Study of the Dynamic Properties of Reinforced Concrete Under High-Speed Compression. In: Altenbach, H., Berezovski, A., dell'Isola, F., Porubov, A. (eds) Sixty Shades of Generalized Continua. Advanced Structured Materials, vol 170. Springer, Cham. https://doi.org/10.1007/978-3-031-26186-2_18
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