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Bond Fatigue of TRC with Epoxy Impregnated Carbon Textiles

Institute of Concrete Structures, 01062 TU Dresden, Germany
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Appl. Sci. 2019, 9(10), 1980; https://doi.org/10.3390/app9101980
Received: 29 March 2019 / Revised: 29 April 2019 / Accepted: 8 May 2019 / Published: 15 May 2019
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Abstract

For the economical construction of fatigue loaded structures with textile reinforced concrete (TRC), it is necessary to investigate the fatigue behavior of the materials. Since next to the tensile load-bearing behavior, the bond behavior of a material is crucial as well, the present paper deals with the bond fatigue of TRC with epoxy-impregnated carbon textiles. First, static tests are carried out to determine the sufficient anchorage length of the investigated material combination. Afterwards, the influence of cyclic loading on the necessary anchorage length, deformation, stiffness, and residual strength is investigated. The results of the cyclic tests are summarized in stress-number of cycles to failure (S-N) diagrams. In the end, it can be said that the cyclic loading has no negative impact on the necessary anchorage length. If specimens withstand the cyclic loading, there is no difference between their residual strength and the reference strength. The failure of specimens occurs only at high load levels, provided that the anchorage length is sufficient. View Full-Text
Keywords: textile reinforced concrete; carbon reinforced concrete; TRC; CRC; bond; fatigue; carbon textile; epoxy impregnation; test setup textile reinforced concrete; carbon reinforced concrete; TRC; CRC; bond; fatigue; carbon textile; epoxy impregnation; test setup
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Wagner, J.; Curbach, M. Bond Fatigue of TRC with Epoxy Impregnated Carbon Textiles. Appl. Sci. 2019, 9, 1980.

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