Influence of Reinforcement Load Level on Bearing Capacity of RC Beams Externally Reinforced with СFRP
Most of the experimental investigations devoted to the study of the stress-strain state of bent reinforced concrete elements reinforced with carbon fiber-based polymer-composite materials have examined only unloaded beams or beams without preliminary cracks. However, reinforcement of real load-beari...
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Moscow State University of Civil Engineering (MGSU)
2023-07-01
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| Series: | Железобетонные конструкции |
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| Online Access: | https://www.g-b-k.ru/jour/article/view/23 |
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| author | Gennadiy A. Smolyago Alexander E. Zhdanov Yana L. Obernikhina |
| author_facet | Gennadiy A. Smolyago Alexander E. Zhdanov Yana L. Obernikhina |
| author_sort | Gennadiy A. Smolyago |
| collection | DOAJ |
| description | Most of the experimental investigations devoted to the study of the stress-strain state of bent reinforced concrete elements reinforced with carbon fiber-based polymer-composite materials have examined only unloaded beams or beams without preliminary cracks. However, reinforcement of real load-bearing structures is most often performed under load and taking into account previously occurring defects. At the same time, there are a limited number of systematic studies of the effect of preload on the bearing capacity of reinforced concrete beams reinforced with carbon fiber. This article presents a methodology for assessing the effect of the stress-strain state level of reinforcement on the bearing capacity and other parameters of the sections of bent reinforced concrete elements reinforced with carbon fiber, taking into account the physical nonlinearity of concrete and using real deformation diagrams, including reinforcement and reinforcement systems. On the basis of the developed method, numerical studies of the operation of reinforced concrete sections reinforced at various stages of SSS were performed. After analyzing the obtained data, we can conclude that the level of reinforcement load has a significant effect on the deformability, rigidity and strength of normal sections of reinforced concrete beams and the need to take this factor into account when calculating bending reinforced concrete elements. After analyzing the data obtained, we can conclude that the influence of the reinforcement load level on the deformability, rigidity and strength of normal sections of reinforced concrete beams and the need to take this factor into account when calculating bending reinforced concrete elements. |
| format | Article |
| id | doaj-art-4c9f7950db8f428394e5bd6668e14518 |
| institution | Kabale University |
| issn | 2949-1622 2949-1614 |
| language | English |
| publishDate | 2023-07-01 |
| publisher | Moscow State University of Civil Engineering (MGSU) |
| record_format | Article |
| series | Железобетонные конструкции |
| spelling | doaj-art-4c9f7950db8f428394e5bd6668e145182025-02-06T07:09:54ZengMoscow State University of Civil Engineering (MGSU)Железобетонные конструкции2949-16222949-16142023-07-0133496110.22227/2949-1622.2023.3.49-6122Influence of Reinforcement Load Level on Bearing Capacity of RC Beams Externally Reinforced with СFRPGennadiy A. Smolyago0Alexander E. Zhdanov1Yana L. Obernikhina2Belgorod State Technological University named after V.G. ShukhovOOO Stroitelnaya ekspertizaBelgorod State Technological University named after V.G. ShukhovMost of the experimental investigations devoted to the study of the stress-strain state of bent reinforced concrete elements reinforced with carbon fiber-based polymer-composite materials have examined only unloaded beams or beams without preliminary cracks. However, reinforcement of real load-bearing structures is most often performed under load and taking into account previously occurring defects. At the same time, there are a limited number of systematic studies of the effect of preload on the bearing capacity of reinforced concrete beams reinforced with carbon fiber. This article presents a methodology for assessing the effect of the stress-strain state level of reinforcement on the bearing capacity and other parameters of the sections of bent reinforced concrete elements reinforced with carbon fiber, taking into account the physical nonlinearity of concrete and using real deformation diagrams, including reinforcement and reinforcement systems. On the basis of the developed method, numerical studies of the operation of reinforced concrete sections reinforced at various stages of SSS were performed. After analyzing the obtained data, we can conclude that the level of reinforcement load has a significant effect on the deformability, rigidity and strength of normal sections of reinforced concrete beams and the need to take this factor into account when calculating bending reinforced concrete elements. After analyzing the data obtained, we can conclude that the influence of the reinforcement load level on the deformability, rigidity and strength of normal sections of reinforced concrete beams and the need to take this factor into account when calculating bending reinforced concrete elements.https://www.g-b-k.ru/jour/article/view/23rc beamsreinforcement loadexternal reinforcementсfrpstress-strain state |
| spellingShingle | Gennadiy A. Smolyago Alexander E. Zhdanov Yana L. Obernikhina Influence of Reinforcement Load Level on Bearing Capacity of RC Beams Externally Reinforced with СFRP Железобетонные конструкции rc beams reinforcement load external reinforcement сfrp stress-strain state |
| title | Influence of Reinforcement Load Level on Bearing Capacity of RC Beams Externally Reinforced with СFRP |
| title_full | Influence of Reinforcement Load Level on Bearing Capacity of RC Beams Externally Reinforced with СFRP |
| title_fullStr | Influence of Reinforcement Load Level on Bearing Capacity of RC Beams Externally Reinforced with СFRP |
| title_full_unstemmed | Influence of Reinforcement Load Level on Bearing Capacity of RC Beams Externally Reinforced with СFRP |
| title_short | Influence of Reinforcement Load Level on Bearing Capacity of RC Beams Externally Reinforced with СFRP |
| title_sort | influence of reinforcement load level on bearing capacity of rc beams externally reinforced with сfrp |
| topic | rc beams reinforcement load external reinforcement сfrp stress-strain state |
| url | https://www.g-b-k.ru/jour/article/view/23 |
| work_keys_str_mv | AT gennadiyasmolyago influenceofreinforcementloadlevelonbearingcapacityofrcbeamsexternallyreinforcedwithsfrp AT alexanderezhdanov influenceofreinforcementloadlevelonbearingcapacityofrcbeamsexternallyreinforcedwithsfrp AT yanalobernikhina influenceofreinforcementloadlevelonbearingcapacityofrcbeamsexternallyreinforcedwithsfrp |