Abstract
Traditionally, a trial-and-error procedure is carried out to design cross-sectional areas of stay cables in cable-stayed bridges. This design process is monotonous, expensive, time-consuming, and incapable of finding the optimum design solution. The aim of this study is to develop a robust design optimization technique in order to achieve the minimum cross-sectional areas of stay cables. The developed optimization technique integrates finite element method, B-spline curves, and genetic algorithm. The capability and efficiency of the proposed optimization technique is tested and assessed by applying it to a practical sized cable-stayed bridge.
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