Influence of FRP wrapping techniques on the compressive behavior of concrete prisms |
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| Affiliation: | 1. Department of Building Engineering, School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China;2. Key Laboratory of High-speed Railway Engineering, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China;3. College of Architecture and Civil Engineering, Xihua University, Chengdu 610039, China;1. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China;2. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China;3. State Key Laboratory of Ocean Engineering, School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;4. Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration (CISSE), Shanghai 200240, China;5. Guangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, Shenzhen Durability Center for Civil Engineering, Shenzhen University, Shenzhen 518060, China;6. Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100124, China;7. School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China;1. School of Civil and Mechanical Engineering, Curtin University, Kent Street, Bentley, WA 6102, Australia;2. School of Civil, Mining, and Environmental Engineering, University of Wollongong, Wollongong, NSW 2522, Australia;3. Faculty of Civil Engineering, Ton Duc Thang University, 19 Nguyen Huu Tho St., Dist. 7, HCMC 700000, Viet Nam. |
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| Abstract: | Results of an experimental investigation on the compressive behavior of concrete prisms with square cross-section, externally wrapped with carbon fiber reinforced plastic (CFRP) sheets are presented. The effects of the following parameters were analyzed: local reinforcement at the corners and continuous layers; horizontal and vertical discontinuous strips; number of continuous layers—length of specimens.An analytical model is proposed to determine the maximum bearing capacity of compressed concrete members with square cross-section and externally wrapped with FRP for the different configurations examined, and also able to consider the strength reduction with the length increase of concrete members. Analytical results are then compared with the experimental data available in the literature, showing good agreement. |
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