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Wind and Structures
  Volume 4, Number 2, April 2001 , pages 147-162

Non-elastic responses of tall steel buildings subjected to across-wind forces
Yukio Tamura, Hachinori Yasui and Hisao Marukawa(Japan)

    This paper presents an analytical method which takes into account the non-linearity of individualrnmembers, and discusses some case study results. It also discusses the relationship between member non-elasticrnbehavior and excitation duration, and the relationship between member fracture and overall structurernbehavior. It is clearly demonstrated that the frame already shows almost unstable behavior due to long-columnizationrnjust before the occurrence of a column fracture. Then, a column fracture immediately induces arnstructural collapse mechanism.
Key Words
    across-wind force; non-elastic response; tall steel buildings; frame models; member cumulative ductility; member fracture; structural collapse mechanism.
Yukio Tamura, Department of Architecture, Tokyo Institute Polytechnicsrn1583, Iiyama, Atsugi, Kanagawa, 243-0297, JapanrnHachinori Yasui and Hisao Marukawa, Urban Environment Research Center, Izumi Sohken Engineering Co., Ltd. 51 Minami-sode, Sodegaura, Chiba 299-0268, Japan

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