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김대환(Kim Dae-Hwan),김연태(Kim Yoen-Tae),이재홍(Lee Jae-Hong) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(구조계)
Under-tension system is frequently employed for large span structures to reduce the deflection and member size. In this study, micro genetic algorithm is used to find an optimum cross section of truss structures with under-tension cable under transverse loading. Allowable stress, maximum deflection, and element area of cross section are considered as constraints. The present approach is verified by 10-bar truss example showing good agreements with previous results. Therefore, The optimized design of under-tension structure is performed for various magnitudes of pretension and loading by using micro genetic algorithm.