Wind and Structures

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Non-elastic responses of tall steel buildings subjected to across-wind forces

  • Tamura, Yukio (Department of Architecture, Tokyo Institute Polytechnics) ;
  • Yasui, Hachinori (Urban Environment Research Center, Izumi Sohken Engineering Co., Ltd.) ;
  • Marukawa, Hisao (Urban Environment Research Center, Izumi Sohken Engineering Co., Ltd.)
  • Published : 2001.04.25
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Abstract

This paper presents an analytical method which takes into account the non-linearity of individual members, and discusses some case study results. It also discusses the relationship between member non-elastic behavior and excitation duration, and the relationship between member fracture and overall structure behavior. It is clearly demonstrated that the frame already shows almost unstable behavior due to long-columnization just before the occurrence of a column fracture. Then, a column fracture immediately induces a structural collapse mechanism.

Keywords

References

  1. AIJ (1993), Recommendation for Loads on Buildings, Architectural Institute of Japan.
  2. JABRP (1998), Recommendations on Loads for Performance Based Design, Japan Association for Building Research Promotion. (in Japanese)
  3. Ogawa, K. (1995), Research Report for Numerical Analysis, Steel Material Club & Building Research Institute, Annex B. (in Japanese)
  4. Ohkuma, T., Kurita, T. and Ninomiya, M. (1997), "Response estimation based on energy balance for elastoplastic vibration of tall building in across-wind direction", Structural Safety and Reliability. Proceedings of ICOSSAR'97, 1359-1366.
  5. Tamura, Y. (1995), "Numerical simulation program for structure response induced by wind loads - Technical Manual. Tamura Laboratory", Tokyo Institute of Polytechnics. (in Japanese)
  6. Tsujita, O., Hayabe, Y. and Ohkuma, T. (1997), "A study on wind-induced response for inelastic structure", Structural Safety and Reliability. Proceedings of ICOSSAR'97, 1359-1366.
  7. Tsukagoshi, H., Tamura, Y., Sasaki, A. and Kanai, H. (1993), "Response analyses on along-wind and acrosswind vibrations of tall buildings in time domain", Journal of Wind Engineering and Industrial Aerodynamics, 46-47, 497-506. https://doi.org/10.1016/0167-6105(93)90317-H

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