| Sensitivity analyses of cables to suspen-dome structural system |
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| 作者姓名： | 高博青 翁恩豪 |
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| 作者单位： | Department of Civil Engineering，Zhejiang University，Hangzhou 310027，China，Department of Civil Engineering，Zhejiang University，Hangzhou 310027，China |
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| 基金项目： | Project (No. 50278086) supported by the National Natural Science Foundation of China |
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| 摘 要： | The construction of the cables is a key step for erecting suspen-dome structures. In practical engineering, it is difficult to ensure that the designed pre-stresses of cables have been exactly introduced into the structures in the site; so it is necessary to evaluate the influence of the variation of the pre-stresses on the structural behavior. In the present work, an orthogonal design method was employed to investigate the pre-stressed cables' sensitivity to the suspen-dome system. The investigation was concentrated on a Kiewitt suspen-dome. Parametric studies were carried out to study the sensitivity of the structure's static behavior, dynamic behavior, and buckling loads when the pre-stresses in the cables varied. The investigation indicated that suspen-dome structures are sensitive to the pre-stresses in all cables; and that the sensitivity depended on the location of the cables and the kind of structural behavior. Useful suggestions are given at the end of the paper.
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Sensitivity analyses of cables to suspen-dome structural system |
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| GAO Bo-qing,WENG En-hao.Sensitivity analyses of cables to suspen-dome structural system[J].Journal of Zhejiang University Science,2004(9). |
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| Authors: | GAO Bo-qing WENG En-hao |
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| Abstract: | The construction of the cables is a key step for erecting suspen-dome structures. In practical engineering, it is difficult to ensure that the designed pre-stresses of cables have been exactly introduced into the structures in the site; so it is necessary to evaluate the influence of the variation of the pre-stresses on the structural behavior. In the present work, an orthogonal design method was employed to investigate the pre-stressed cables' sensitivity to the suspen-dome system. The investigation was concentrated on a Kiewitt suspen-dome. Parametric studies were carried out to study the sensitivity of the structure's static behavior, dynamic behavior, and buckling loads when the pre-stresses in the cables varied. The investigation indicated that suspen-dome structures are sensitive to the pre-stresses in all cables; and that the sensitivity depended on the location of the cables and the kind of structural behavior. Useful suggestions are given at the end of the paper. |
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| Keywords: | Suspen-dome Orthogonal design method Cable Sensitivity analysis |
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