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Steel and Composite Structures
  Volume 14, Number 5, May 2013, pages 431-451

Optimum design of steel frames with semi-rigid connections using Big Bang-Big Crunch method
A. Rafiee, S. Talatahari and A. Hadidi

    The Big Bang-Big Crunch (BB-BC) optimization algorithm is developed for optimal design of non-linear steel frames with semi-rigid beam-to-column connections. The design algorithm obtains the minimum total cost which comprises total member plus connection costs by selecting suitable sections. Displacement and stress constraints together with the geometry constraints are imposed on the frame in the optimum design procedure. In addition, non-linear analyses considering the P-
Key Words
    Big Bang-Big Crunch algorithm; meta-heuristics; semi-rigid connections; steel frames; optimum design
1 A. Rafiee, A. Hadidi: Department of Civil Engineering, University of Tabriz, Tabriz, Iran; 2 S. Talatahari: Marand Faculty of Engineering, University of Tabriz, Tabriz, Iran

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