Sensitivity analyses of cables to suspen-dome structural system.
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.
Gao
Bo-qing
BQ
Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China. bqgao@zjuem.zju.edu.cn
Weng
En-hao
EH
D000465:Algorithms; D003198:Computer Simulation; D017076:Computer-Aided Design; D003252:Construction Materials / Q000032:analysis*; D004867:Equipment Design / Q000379:methods*; D019544:Equipment Failure Analysis / Q000379:methods*; D006798:Housing; D008962:Models, Theoretical; D012680:Sensitivity and Specificity; D013314:Stress, Mechanical