Abstract
In this study, numerical analysis of the “SC module reinforcement system” was conducted to provide basic design resources for utilizing the SC structure as a seismic reinforcement method for existing general RC buildings. Therefore, the SC in-plane shear strength was obtained through the existing design equation and theoretical equation. After that, a valid analytical model was developed through comparison with the experimental results of previous studies, and the effects of the thickness and width of steel plates and concrete, and reinforcement side ratios were shown through variable analysis. As a result, steel plates are more effective than concrete, and width reinforcement is more effective than thickness reinforcement for in-plane shear strength. In addition, when the analytical results were compared with the theoretical values, a large difference occurred as in previous studies, which is believed to be because the existing equations did not consider the decrease in strength due to buckling of the steel plate and used a cross-sectional area that did not consider the reinforcement direction at all. Therefore, further experimental and analytical studies that consider the effects of buckling and the width and thickness of the reinforcement are needed to improve the design equation by introducing longitudinal coefficients.
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Funding
This research was funded by the National Research Foundation of Korea (project number: 2023R1A2C1007693), which is funded by the government (Ministry of Education) in 2023, and we gratefully acknowledge the support.
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Lee, K., Lim, HW. & Jang, D. Numerical Analysis of RC Frame Reinforced by Steel-Plate Concrete Module System. Int J Steel Struct (2024). https://doi.org/10.1007/s13296-024-00839-2
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DOI: https://doi.org/10.1007/s13296-024-00839-2