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Received: 2003-11-07

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Bio-Design and Manufacturing  2022 Vol.5 No.9 P.1045~1052

10.1631/jzus.2004.1045


Sensitivity analyses of cables to suspen-dome structural system


Author(s):  GAO Bo-qing, WENG En-hao

Affiliation(s):  Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   bqgao@zjuem.zju.edu.cn

Key Words:  Suspen-dome, Orthogonal design method, Cable, Sensitivity analysis


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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 D, 2022, 5(9): 1045~1052.

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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 investi-gation 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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