吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (2): 406-413.doi: 10.13229/j.cnki.jdxbgxb201502011

• Orignal Article • Previous Articles     Next Articles

Collapse resistance behavior of Ferris wheel with stay cables

LI Hai-feng1,2,GUO Xiao-nong3,LUO Yong-feng3,GAO Xuan-neng1   

  1. 1.College of Civil Engineering, Huaqiao University, Xiamen 361021, China;
    2.Key Laboratory for Structure Engineering and Disaster Prevention of Fujian Province,Xiamen 361021,China;
    3.Departments of Building Engineering, Tongji University, Shanghai 200092, China
  • Received:2013-07-23 Online:2015-04-01 Published:2015-04-01

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Abstract: The dynamic responses of an actual Ferris wheel system induced by failure of some stay cables are investigated. Whether the failure of some stay cables can cause further failure of other stay cables, or lost of the lateral stiffness of the wheel, even collapse is discussed. Constructive results are obtained by means of dynamic analysis. The variation periods of the lateral displacement of the wheel and the stay cable force are almost equal to the first natural vibration period (Tl) of the wheel. It is about half of Tl after the failure of the stay cables, the effect of the resilience of the failure stay cables on the dynamic behavior of the wheel becomes obvious and reach to an upper limit. The predominant failure model is the failure of three stay cables in one side at the same time. In this situation, the maximal tension force of the stay cables laying in one side reaches 64% of it breaking force; while the stay cables laying in the other side are almost in slack state. In conclusion, any specific failure mode of the stay cables would not cause the further failure of other stay cables, which might result in collapse of the wheel. Numerical results show that the collapse resistance of the Ferris wheel is strong enough.

Key words: civil engineering structure, Ferris wheel, failure of stay cables, dynamic analysis, collapse

CLC Number: 

  • TU391
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