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- W2970814963 abstract "A prestressed stayed steel column is an efficient and lightweight method of enhancing the stability of a traditional compression steel column. In the past, a large number of repeated numerical analyses had to be conducted to determine the optimal crossarm length of a structural system. This motivates the study of an optimization method that can be adopted to determine the optimal crossarm length directly. A sensitivity analysis of the linear buckling load is carried out based on the finite element theory, and an optimization algorithm is adopted to capture the optimal crossarm length. The optimization method is programmed in MATLAB and validated by numerical analysis. The post-buckling behavior of prestressed stayed steel columns with different crossarm arrangement schemes is also comparatively analyzed. It is demonstrated that the proposed optimization method is sufficiently accurate to predict an optimal crossarm length that corresponds to the maximum buckling load. The results presented in this study should be of great assistance in updating design procedures for prestressed stayed steel columns." @default.
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- W2970814963 date "2019-11-01" @default.
- W2970814963 modified "2023-10-17" @default.
- W2970814963 title "Crossarm length optimization and post-buckling analysis of prestressed stayed steel columns" @default.
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- W2970814963 doi "https://doi.org/10.1016/j.tws.2019.106371" @default.
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