Influence of the addition of styrene-butadiene rubber on the dynamic properties of polymer concrete for machine tool applications

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Abstract

In this study, the influence of the addition of styrene-butadiene rubber on the dynamic properties of polymer concrete was investigated. A 10% volume addition of styrene-butadiene rubber granulate with three different grain gradations was used for the tests. The modal study was carried out in the 0 to 2000 Hz frequency range. The response function for a single impulse excitation was tested. The relaxation time after excitation, the modes of natural vibrations and the amplitude of the transfer function values as well as vibration damping ratios were also compared. Finally, conclusions were formulated regarding the application of the styrene-butadiene rubber additive as a material to improve the dynamic properties of polymer concrete. The best results were obtained for a sample made with a 10% styrene-butadiene rubber volume addition with grain sizes from 0.6 to 2 mm. In this case, the biggest decrease of the amplitude of the transfer function value was 76%, while the biggest increase of the damping ratio was 431.5%, in comparison with the clear polymer concrete sample. The worst results were obtained for a sample made with a 10% styrene-butadiene rubber volume addition with grain sizes from 2.5 to 6 mm. In this case, the longest relaxation time of the sample, the increase of the amplitude of the transfer function value and the decrease in the damping coefficient were recorded.

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APA

Kepczak, N. (2019). Influence of the addition of styrene-butadiene rubber on the dynamic properties of polymer concrete for machine tool applications. Advances in Mechanical Engineering, 11(7). https://doi.org/10.1177/1687814019865841

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