RC members with a flexural‐strengthening layer of CFRP textile‐reinforced concrete under monotonic and cyclic long‐term loading
Strengthening of existing reinforced concrete (RC) structures by means of externally applied fiber‐reinforced polymer (FRP) reinforcement was and still is an important research topic. CFRP reinforcement is particularly suitable for infrastructure projects where the actual loads have exceeded the pre...
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| Veröffentlicht in: | Structural concrete : journal of the FIB 2022-04, Vol.23 (2), p.939-953 |
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| container_title | Structural concrete : journal of the FIB |
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| creator | El Ghadioui, Redouan Wagner, Juliane Klein, Jonas Proske, Tilo Curbach, Manfred Graubner, Carl‐Alexander |
| description | Strengthening of existing reinforced concrete (RC) structures by means of externally applied fiber‐reinforced polymer (FRP) reinforcement was and still is an important research topic. CFRP reinforcement is particularly suitable for infrastructure projects where the actual loads have exceeded the predictions made in the past decades and high chloride input due to de‐icing salts is also present. This article presents experimental and theoretical investigations on the structural behavior of RC members strengthened with an externally applied CFRP textile‐reinforced concrete layer under monotonic and cyclic long‐term loading. A precise analysis of the cross‐sectional behavior and the calculation parameters to determine deflections and load‐bearing capacities of the strengthened RC members is conducted. It is shown that the load‐bearing capacity is not influenced by the preceding monotonic or cyclic long‐term loading and despite the many influencing factors, a good agreement between the calculations and experimental data can be achieved. |
| doi_str_mv | 10.1002/suco.202100452 |
| format | Article |
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CFRP reinforcement is particularly suitable for infrastructure projects where the actual loads have exceeded the predictions made in the past decades and high chloride input due to de‐icing salts is also present. This article presents experimental and theoretical investigations on the structural behavior of RC members strengthened with an externally applied CFRP textile‐reinforced concrete layer under monotonic and cyclic long‐term loading. A precise analysis of the cross‐sectional behavior and the calculation parameters to determine deflections and load‐bearing capacities of the strengthened RC members is conducted. It is shown that the load‐bearing capacity is not influenced by the preceding monotonic or cyclic long‐term loading and despite the many influencing factors, a good agreement between the calculations and experimental data can be achieved.</description><identifier>ISSN: 1464-4177</identifier><identifier>EISSN: 1751-7648</identifier><identifier>DOI: 10.1002/suco.202100452</identifier><language>eng</language><publisher>Weinheim: WILEY‐VCH Verlag GmbH & Co. KGaA</publisher><subject>Bearing capacity ; CFRP ; Concrete ; cyclic loading ; Cyclic loads ; FRP ; Mathematical analysis ; monotonic loading ; Reinforced concrete ; Strengthening ; textile ; TRC</subject><ispartof>Structural concrete : journal of the FIB, 2022-04, Vol.23 (2), p.939-953</ispartof><rights>2022 The Authors. published by John Wiley & Sons Ltd on behalf of International Federation for Structural Concrete.</rights><rights>2022. 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CFRP reinforcement is particularly suitable for infrastructure projects where the actual loads have exceeded the predictions made in the past decades and high chloride input due to de‐icing salts is also present. This article presents experimental and theoretical investigations on the structural behavior of RC members strengthened with an externally applied CFRP textile‐reinforced concrete layer under monotonic and cyclic long‐term loading. A precise analysis of the cross‐sectional behavior and the calculation parameters to determine deflections and load‐bearing capacities of the strengthened RC members is conducted. It is shown that the load‐bearing capacity is not influenced by the preceding monotonic or cyclic long‐term loading and despite the many influencing factors, a good agreement between the calculations and experimental data can be achieved.</abstract><cop>Weinheim</cop><pub>WILEY‐VCH Verlag GmbH & Co. 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| ispartof | Structural concrete : journal of the FIB, 2022-04, Vol.23 (2), p.939-953 |
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| language | eng |
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| subjects | Bearing capacity CFRP Concrete cyclic loading Cyclic loads FRP Mathematical analysis monotonic loading Reinforced concrete Strengthening textile TRC |
| title | RC members with a flexural‐strengthening layer of CFRP textile‐reinforced concrete under monotonic and cyclic long‐term loading |
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