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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2012, Vol. 13 Issue (12): 895-903    DOI: 10.1631/jzus.A1200172
Civil Engineering     
Mechanical behavior of a shelter system based on cable-strut structures
Jian-guo Cai, Ya Zhou, Jian Feng, Yi-xiang Xu
Key Laboratory of C&PC Structures of Ministry of Education, Southeast University, Nanjing 210096, China; National Prestress Engineering Research Center, Southeast University, Nanjing 210096, China; Department of Civil Engineering, Strathclyde University, Glasgow, UK
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Abstract  A shelter system based on cable-strut structures, consisting of compressive struts and high-tensile elements, is described in this paper. The deployment of the shelter is achieved by tightening inclined cables. Lower cables are used to terminate the deployment. The state of self-stress of the cable-strut structures in the fully deployed configuration is given, and the minimum strut length and the maximum load design of the shelter are discussed. The mechanical behavior of the system was studied under symmetrical and asymmetrical load cases. The results show that the shelter in the deployed configuration satisfies the ultimate limit and the serviceability limit state conditions. Finally, the stability of the cable-strut system is investigated, considering the effect of imperfections on the buckling of the shelter. We conclude that the influence of imperfections based on the consistent imperfection mode method is not significant.

Key words： Foldable structures      Cable-strut structures      Mechanical behavior      Self-stress      Stability     
Received: 06 July 2012      Published: 29 November 2012
CLC:  TU399  
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Jian-guo Cai, Ya Zhou, Jian Feng, Yi-xiang Xu. Mechanical behavior of a shelter system based on cable-strut structures. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2012, 13(12): 895-903.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1200172     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2012/V13/I12/895

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