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Abstract:	Die Biegeverstärkung von Stahlbetontragwerken mit Carbonbeton wurde in der Vergangenheit bereits umfangreich untersucht und auch in der Praxis schon mehrfach erfolgreich angewendet. Seit 2014 existiert außerdem eine allgemeine bauaufsichtliche Zulassung (Z-31.10-182) für die Verstärkung von Stahlbetonbauteilen mit textilbewehrtem Beton. Jedoch haben sich die Carbonbewehrungen in den vergangenen Jahren weiterentwickelt, weshalb im Rahmen des Projekts “C3 - Carbon Concrete Composite” die Übertragbarkeit der bekannten Erkenntnisse auf zwei aktuelle Carbongelege mit unterschiedlichen Tränkungen untersucht wurde. Hierfür wurde ein umfangreiches Versuchsprogramm mit insgesamt 18 Großbauteilversuchen an der TU Dresden durchgeführt. Die erzielten Ergebnisse werden im vorliegenden Beitrag vorgestellt und diskutiert. Flexural strengthening with carbon reinforced concrete - tests with new carbon reinforcements The flexural strengthening of reinforced concrete structures with carbon reinforced concrete has already been extensively investigated in the past and successfully applied in practice several times. Since 2014, there has also been a German general building approval (Z-31.10-182) for the strengthening of reinforced concrete with textile reinforced concrete. However, the carbon reinforcements have developed further in recent years, which is why the transferability of the known findings to two current carbon fabrics with different impregnations was investigated within the scope of the project “C3 - Carbon Concrete Composite”. For this purpose, an extensive test program with a total of 18 large component tests was carried out at TU Dresden. The results obtained are presented and discussed in this article.
Source:	Beton- und Stahlbetonbau 115 (2020), No. 10
Page/s:	758-767
Language of Publication:	German

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