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Computers and Concrete Volume 17, Number 2, February 2016 , pages 215-225 DOI: https://doi.org/10.12989/cac.2016.17.2.215 |
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Numerical evaluation of FRP composite retrofitted reinforced concrete wall subjected to blast load |
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Jin-Won Nam, In-Seok Yoon and Seong-Tae Yi
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| Abstract | ||
| High performance materials such as Fiber Reinforced Plastic (FRP) are often used for retrofitting structures against blast loads due to its ductility and strength. The effectiveness of retrofit materials needs to be precisely evaluated for the retrofitting design based on the dynamic material responses under blast loads. In this study, the blast resistance of Carbon Fiber Reinforced Plastic (CFRP) and Kevlar/Glass hybrid fabric (K/G) retrofitted reinforced concrete (RC) wall is analyzed by using the explicit analysis code LS-DYNA, which accommodates the high-strain rate dependent material models. Also, the retrofit effectiveness of FRP fabrics is evaluated by comparing the analysis results for non-retrofitted and retrofitted walls. The verification of the analysis is performed through comparisons with the previous experimental results. | ||
| Key Words | ||
| HFPB analysis; blast resistance; FRP Composite; strain rate; LS-DYNA | ||
| Address | ||
| Jin-Won Nam: Baytech Korea Inc., 8F, 464 Dunchon-Daero, Jungwon-gu, Seongnam-si, Gyeonggi-do, 13229, Korea In-Seok Yoon:Department of Construction Information Engineering, Induk University, 12 Choansan-ro, Nowon-gu,Seoul, 01880, Korea Seong-Tae Yi: Department of Civil & Environmental Engineering, Inha College, 100 Inha-Ro, Nam-Gu,Incheon, 22212, Korea | ||