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Structural Engineering and Mechanics Volume 18, Number 1, July 2004 , pages 21-40 DOI: https://doi.org/10.12989/sem.2004.18.1.021 |
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A constitutive model for concrete confined by steel reinforcement and carbon fiber reinforced plastic sheet |
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Yeou-Fong Li and Tsang-Sheng Fang
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| Abstract | ||
| In this paper, we modify the L-L model (Li et al. 2003) and extend the application of this model to concrete confined by both steel reinforcement and CFRP. Thirty-six concrete cylinders with a dimension of j 30 ?60 cm were tested to verify the effectiveness of the proposed model. The experimental test results show that different types of steel reinforcement have a great effect on the compressive strength of concrete cylinders confined by steel reinforcement, but the different types of steel reinforcement have very little effect on concrete cylinders confined by both steel reinforcement and CFRP. Compared with the stress-strain curves of confined concrete cylinders, we can conclude that the proposed model can provide more effective prediction than others models. | ||
| Key Words | ||
| carbon fiber reinforced plastics; steel reinforcement; constitutive model; confined concrete. | ||
| Address | ||
| Yeou-Fong Li; Department of Civil Engineering, National Taipei University of Technology, No. 1, Sec. 3, Chung-Hsiao E. Rd., Taipei, 106-08, Taiwan, R.O.C. Tsang-Sheng Fang; Department of Civil Engineering, National Taiwan University, Taiwan, R.O.C. | ||