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Steel and Composite Structures Volume 47, Number 2, April25 2023 , pages 147-165 DOI: https://doi.org/10.12989/scs.2023.47.2.147 |
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Reinforced concrete structures with damped seismic buckling-restrained bracing optimization using multi-objective evolutionary niching ChOA |
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Shouhua Liu, Jianfeng Li, Hamidreza Aghajanirefah, Mohammad Khishe, Abbas Khishe, Arsalan Mahmoodzadeh and Banar Fareed Ibrahim
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Abstract | ||
The paper contrasts conventional seismic design with a design that incorporates buckling-restrained bracing in three-dimensional reinforced concrete buildings (BRBs). The suboptimal structures may be found using the multi-objective chimp optimization algorithm (MEN-ChOA). Given the constraints and dimensions, ChOA suffers from a slow convergence rate and tends to become stuck in local minima. Therefore, the ChOA is improved by niching and evolutionary operators to overcome the aforementioned problems. In addition, a new technique is presented to compute seismic and dead loads that include all of a structure's parts in an algorithm for three-dimensional frame design rather than only using structural elements. The performance of the constructed multi-objective model is evaluated using 12 standard multi-objective benchmarks proposed in IEEE congress on evolutionary computation. Second, MEN-ChOA is employed in constructing several reinforced concrete structures by the Mexico City building code. The variety of Pareto optimum fronts of these criteria enables a thorough performance examination of the MEN-ChOA. The results also reveal that BRB frames with comparable structural performance to conventional moment-resistant reinforced concrete framed buildings are more cost-effective when reinforced concrete building height rises. Structural performance and building cost may improve by using a nature-inspired strategy based on MENChOA in structural design work. | ||
Key Words | ||
buckling-restrained braces; evolutionary multi-objective chimp optimization; niching concept; reinforced concrete; seismic structure design | ||
Address | ||
Shouhua Liu:Faculty of Architecture and Civil Engineering, Huaiyin Institute of Technology, Huaian, Jiangsu 223001, China Jianfeng Li:1)Faculty of Engineering, China University of Geosciences (Wuhan), Wuhan 430000, Hubei, China 2)Zhongjiao Yuanzhou Transportation Technology Group Co., Ltd, Fujian Branch, Fuzhou 350109, Fujian, China 3)Hainan Cloud Spacetime Information Technology Co.,Ltd, Danzhou571700, Hainan, China Hamidreza Aghajanirefah:Department of Civil Engineering, Faculty of Engineering, Qazvin Branch Islamic Azad University, Qazvin, Iran Mohammad Khishe:Department of Electrical Engineering, Imam Khomeini Marine Science University, Nowshahr, Iran Abbas Khishe:Department of Civil Engineering, Iran University of Science and Technology, Iran Arsalan Mahmoodzadeh:Rock Mechanics Division, School of Engineering, Tarbiat Modares University, Tehran, Iran Banar Fareed Ibrahim:Department of Information Technology, College of Engineering and Computer Science, Lebanese French University, Kurdistan Region, Iraq | ||