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Wind and Structures
  Volume 27, Number 2, August 2018 , pages 137-147

Performance of structures and infrastructure facilities during an EF4 Tornado in Yancheng
Tianyou Tao, Hao Wang, Chengyuan Yao, Zhongqin Zou and Zidong Xu

    Heavy damages to properties with attendant losses were frequently caused by tornadoes in recent years. This natural hazard is one of the most destructive wind events that must be fully studied and well understood in order to keep the safety of structures and infrastructure facilities. On June 23, 2016, a severe tornado, which is an Enhanced Fujita (EF) 4 storm, occurred in the rim of a coastal city named as Yancheng in China. Numerous low-rise buildings as well as facilities (e.g., transmission towers) were destroyed or damaged. In this paper, damages to structures and infrastructure facilities by the severe tornado are reviewed. The collapses of residential buildings, industrial structures and other infrastructure facilities are described. With an overview of the damages, various possible mechanisms of the collapse are then discussed and utilized to reveal the initiation of the damage to various facilities. It is hoped that this paper can provide a concise but comprehensive reference for the researchers and engineers to help understand the tornado effects on structures and expose the vulnerabilities that need to be improved in current wind-resistant design practices.
Key Words
     tornado; damage; residential buildings; industrial structure; infrastructure facility; mechanism
Tianyou Tao, Hao Wang, Chengyuan Yao, Zhongqin Zou and Zidong Xu: Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education,
Southeast University, Nanjing 211189, China

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