Wind and Structures

  • 제12권4호
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  • Pages.333-347
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  • 2009
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
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The damping efficiency of vortex-induced vibration by tuned-mass damper of a tower-supported steel stack

  • Homma, Shin (Structural Design Division, Hitachi Zosen Corporation) ;
  • Maeda, Junji (Faculty of Human-Environment Studies, Kyushu University) ;
  • Hanada, Naoya (Civil Engineering Dept., Kyushu Electric Power Co., Inc.)
  • 투고 : 2007.09.03
  • 심사 : 2009.04.23
  • 발행 : 2009.07.25
⟨ 이전 논문 다음 논문 ⟩

초록

Many tower-supported steel stacks have been constructed in Japan, primarily for economic reasons. However the dynamic behavior of these stacks under a strong wind is not well known and the wind load design standard for this type of a stack has not yet been formulated. In light of this situation, we carried out wind response observation of an operating tower-supported steel stack with and without a tuned-mass damper. The observation revealed the performance of the tuned-mass damper installed on the stack in order to control the wind-induced vibration. Based on the observed data, we performed a wind tunnel test of a specimen of the stack. In this paper we report the results of the wind tunnel test and some comparisons with the results of observation. Our findings are as follows: 1) the tuned-mass damper installed on the specimen in the wind tunnel test worked as well as the one on the observed stack, 2) the amplitude of the vortex-induced vibration of the specimen corresponded approximately to that of the observed stack, and 3) correlation between Scruton number and reduced amplitude, y/d, (y is amplitude, d is diameter) was confirmed by both the wind tunnel test and the observed results.

키워드

참고문헌

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피인용 문헌

  1. Maximum Vortex-Induced Vibrations of a square prism vol.16, pp.4, 2013, https://doi.org/10.12989/was.2013.16.4.341
  2. Maximum vortex-induced vibrations of a square prism vol.17, pp.1, 2013, https://doi.org/10.12989/was.2013.17.1.107
  3. Vortex excitation model. Part I. mathematical description and numerical implementation vol.16, pp.5, 2013, https://doi.org/10.12989/was.2013.16.5.457
  4. Seismic effectiveness of tuned mass dampers in a life-cycle cost perspective vol.9, pp.1, 2015, https://doi.org/10.12989/eas.2015.9.1.073
  5. Dynamics and Control of High-Rise Buildings under Multidirectional Wind Loads vol.2011, 2011, https://doi.org/10.1155/2011/549621
  6. Performance of tuned mass dampers against near-field earthquakes vol.39, pp.5, 2009, https://doi.org/10.12989/sem.2011.39.5.621