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作者:

Liu, Renjie (Liu, Renjie.) | Wang, Chao (Wang, Chao.) | Xue, Suduo (Xue, Suduo.) | Zou, Yao (Zou, Yao.)

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EI Scopus

摘要:

Current suspen-domes use loop cables which are key elements and carry large tensions. Loop-free suspen-dome was proposed for improving the collapse resistance and reducing cable tensions. The collapse resistance of loop-free suspen-dome has not been verified. In this paper, analysis on dynamic response of both current suspen-dome and loop-free suspen-dome induced by sudden cable or strut failure is performed to investigate the collapse resistance. Under the loaded state, cables or struts were suddenly removed from the structure to simulate cables or struts failure. Th residual bearing capacity of the structure after the rupture was also analyzed. It is concluded that collapse resistance of the loop-free suspen-dome is good. Failure mode of the loop-free suspen-dome is proportionate. The effect on the loop-free suspen-dome due to initial failure grows proportionately along with the quantity of failed members. It also turns out that cables in the loop-free suspen-dome are relatively independent. Only the failed cable loses tension, other cables still remain in tension. It is also found that the most important cable or strut in the loop-free suspen-dome is in the outermost layer of the cable-strut system. More concern should be shown to the cables and struts in the outermost layer. © 2022 by Renjie Liu, Chao Wang, Suduo Xue and Yao Zou.

关键词:

Failure (mechanical) Domes Cables Struts

作者机构:

  • [ 1 ] [Liu, Renjie]School of Civil Engineering, Yantai University, Yantai; 264005, China
  • [ 2 ] [Wang, Chao]School of Civil Engineering, Yantai University, Yantai; 264005, China
  • [ 3 ] [Xue, Suduo]Spatial Structures Research Center, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Zou, Yao]School of Civil Engineering, Yantai University, Yantai; 264005, China

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来源 :

Journal of the International Association for Shell and Spatial Structures

ISSN: 1028-365X

年份: 2022

期: 1

卷: 63

页码: 5-15

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SCOPUS被引频次: 1

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