Yes / This paper numerically investigates flexural performance of Ultra-High Performance Concrete (UHPC) beam reinforced with Steel-Fibre-Reinforced Polymer (FRP) Composite Bars (SFCBs) in terms of flexural stiffness, moment capacity, deflection, ductility and energy dissipation. The effect of various parameters, include the inner steel core area ratio of SFCB, yield strength of inner steel core, elastic modulus and ultimate strength of outer-wrapped FRP, reinforcement ratio, type and strength of concrete were studied. The results demonstrate that the inner steel core area ratio of SFCB, reinforcement ratio and the elastic modulus of SFCB's outer FRP have significant effect on the overall flexural performance of SFCB reinforced UHPC beam. The overall flexural performance of SFCB reinforced UHPC beam is slightly improved by increasing the yield strength of inner steel core of SFCB, but not affected by the ultimate strength of SFCB's outer FRP when specimen occurred compression failure. The results also exhibit that the flexural performance of UHPC beam reinforced with SFCBs is significantly improved when compared to those of reinforced high strength concrete (HSC) beam and normal strength concrete (NSC) beam. The flexural stiffness and the moment capacity of SFCB reinforced UHPC beam at the ultimate point were 2.0 and 2.4 times, respectively, of those of reinforced NSC counterpart. / Natural Science Foundation of Jiangsu Province, China (BK20201436), the China Postdoctoral Science Foundation (2018M642335), the Science and Technology Project of Jiangsu Construction System, China (2018ZD047, 2021ZD06), the Science and Technology Project of Gansu Construction System, China (JK2021-19), the National Natural Science Foundation of China (51678514), the Science and Technology Innovation Fund of Yangzhou University, China (2020-65), the Open Foundation of Jiangsu Province Engineering Research Center of Prefabricated Building and Intelligent Construction, China (2021), the Science and Technology Cooperation Fund Project of Yangzhou City and Yangzhou University, China (YZU212105), the Practice and Innovation Plan for Postgraduates in Jiangsu Province, China (SJCX21_1589), the Blue Project Youth Academic Leader of Colleges and Universities in Jiangsu Province, China (2020) and the Deputy General Manager Science and Technology Project of Jiangsu Province, China (FZ20200869). References
| Identifer | oai:union.ndltd.org:BRADFORD/oai:bradscholars.brad.ac.uk:10454/19690 |
| Date | 02 November 2023 |
| Creators | Abbas, E.M.A., Ge, Y., Zhang, Z., Chen, Y., Ashour, Ashraf, Ge, W., Tang, R., Yang, Z., Khailah, E.Y., Yao, S., Sun, C. |
| Source Sets | Bradford Scholars |
| Language | English |
| Detected Language | English |
| Type | Article, Published version |
| Rights | (c) 2022 The Authors. This is an Open Access article distributed under the Creative Commons CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/), CC-BY-NC-ND |
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