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Steel and Composite Structures
  Volume 34, Number 4, February25 2020 , pages 467-485

Optimizing reinforced concrete beams under different load cases and material mechanical properties using genetic algorithms
Enqiang Zhu, Rabi Muyad Najem, Du Dinh-Cong, Zehui Shao, Karzan Wakil, Lanh Si Ho, Rayed Alyousef, Hisham Alabduljabbar,Abdulaziz Alaskar, Fahed Alrshoudi and Abdeliazim Mustafa Mohamed

    Genetic Algorithm (GA) is a meta-heuristic algorithm which is capable of providing robust solutions for optimal design of structural components, particularly those one needs considering many design requirements. Hence, it has been successfully used by engineers in the typology optimization of structural members. As a novel approach, this study employs GA in order for conducting a case study with high constraints on the optimum mechanical properties of reinforced concrete (RC) beams under different load combinations. Accordingly, unified optimum sections through a computer program are adopted to solve the continuous beams problem. Genetic Algorithms proved in finding the optimum resolution smoothly and flawlessly particularly in case of handling many complicated constraints like a continuous beam subjected to different loads as moments shear - torsion regarding the curbs of design codes.
Key Words
     reinforced concrete; optimum structures; genetic algorithms; optimization
Enqiang Zhu and Zehui Shao: Institute of Computing Science and Technology, Guangzhou University, Guangzhou 510006, China
Rabi Muyad Najem: Department of civil engineering, MosulUniversity, Mosul, Iraq
Du Dinh-Cong:Division of Construction Computation, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam;
Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam
Karzan Wakil: Research Center, Sulaimani Polytechnic University, Sulaimani 46001, Kurdistan Region, Iraq;
Research Center, Halabja University, Halabja 46018, Kurdistan Region, Iraq
Lanh Si Ho: Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
Rayed Alyousef, Hisham Alabduljabbar and Abdeliazim Mustafa Mohamed: Department of Civil Engineering, College of Engineering, Prince Sattam bin Abdulaziz University, Al-kharj 11942, Saudi Arabia
Abdulaziz Alaskar and Fahed Alrshoudi: Department of Civil Engineering, College of Engineering, King Saud University, Riyadh 11362, Saudi Arabia


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