DOI QR코드

DOI QR Code

Dynamic analysis method for the progressive collapse of long-span spatial grid structures

  • Tian, Li-min (School of Civil Engineering, Xi'an University of Architecture and Technology) ;
  • Wei, Jian-peng (School of Civil Engineering, Xi'an University of Architecture and Technology) ;
  • Hao, Ji-ping (School of Civil Engineering, Xi'an University of Architecture and Technology) ;
  • Wang, Xian-tie (School of Civil Engineering, Xi'an University of Architecture and Technology)
  • 투고 : 2016.10.27
  • 심사 : 2017.01.17
  • 발행 : 2017.03.20

초록

In the past, the progressive collapse resulting from local failures during accidents has caused many tragedies and loss of life. Although long-span spatial grid structures are characterised by a high degree of static indeterminacy, the sudden failure of key members may lead to a catastrophic progressive collapse. For this reason, it is especially necessary to research the progressive collapse resistance capacity of long-span spatial grid structures. This paper presents an evaluation method of important members and a novel dynamic analysis method for simulating the progressive collapse of long-span spatial grid structures. Engineering cases were analysed to validate these proposed method. These proposed methods were eventually implemented in the progressive collapse analysis of the main stadium for the Universiade Sports Center. The roof of the structure was concluded to have good resistance against progressive collapse. The novel methods provide results close to practice and are especially suitable for the progressive collapse analysis of long-span spatial grid structures.

키워드

과제정보

연구 과제 주관 기관 : National Natural Science Foundation of China, South China University of Technology, Ministry of Housing and Urban-Rural Development of China

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피인용 문헌

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