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Steel and Composite Structures Volume 27, Number 5, June10 2018 , pages 613-622 DOI: https://doi.org/10.12989/scs.2018.27.5.613 |
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Performance based design optimum of CBFs using bee colony algorithm |
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Iman Mansouri, Sanaz Soori, Hamed Amraie, Jong Wan Hu and Shahrokh Shahbazi
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| Abstract | ||
| The requirement to safe and economical buildings caused to the exploitation of nonlinear capacity structures and optimization of them. This requirement leads to forming seismic design method based on performance. In this study, concentrically braced frames (CBFs) have been optimized at the immediate occupancy (IO) and collapse prevention (CP) levels. Minimizing structural weight is taken as objective function subjected to performance constraints on inter-story drift ratios at various performance levels. In order to evaluate the seismic capacity of the CBFs, pushover analysis is conducted, and the process of optimization has been done by using Bee Algorithm. Results indicate that performance based design caused to have minimum structural weight and due to increase capacity of CBFs. | ||
| Key Words | ||
| performance-based design; CBF; optimization; bee colony algorithm; pushover | ||
| Address | ||
| (1) Iman Mansouri: Department of Civil Engineering, Birjand University of Technology, Birjand, Iran; (2) Sanaz Soori: Department of Civil Engineering, Shahid Bahonar University of Kerman, Kerman, Iran; (3) Hamed Amraie: Islamic Azad University-Roudehen Branch, Roudehen, Iran; (4) Jong Wan Hu: Department of Civil and Environmental Engineering, Incheon National University, Incheon 22012, South Korea; (5) Jong Wan Hu: Incheon Disaster Prevention Research Center, Incheon National University, Incheon 22012, South Korea; (6) Shahrokh Shahbazi: TAAT Investment Group, Tehran, Iran. | ||