Wind and Structures

  • 제11권6호
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  • Pages.497-512
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  • 2008
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Optimum study on wind-induced vibration control of high-rise buildings with viscous dampers

  • Zhou, Yun (School of Civil Engineering, GuangZhou University) ;
  • Wang, DaYang (School of Civil Engineering, GuangZhou University) ;
  • Deng, XueSong (School of Civil Engineering, GuangZhou University)
  • 투고 : 2008.07.28
  • 심사 : 2008.10.20
  • 발행 : 2008.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, optimum methods of wind-induced vibration control of high-rise buildings are mainly studied. Two optimum methods, genetic algorithms (GA) method and Rayleigh damping method, are firstly employed and proposed to perform optimum study on wind-induced vibration control, six target functions are presented in GA method based on spectrum analysis. Structural optimum analysis programs are developed based on Matlab software to calculate wind-induced structural responses. A high-rise steel building with 20-storey is adopted and 22 kinds of control plans are employed to perform comparison analysis to validate the feasibility and validity of the optimum methods considered. The results show that the distributions of damping coefficients along structural height for mass proportional damping (MPD) systems and stiffness proportional damping (SPD) systems are entirely opposite. Damping systems of MPD and GAMPD (genetic algorithms and mass proportional damping) have the best performance of reducing structural wind-induced vibration response and are superior to other damping systems. Standard deviations of structural responses are influenced greatly by different target functions and the influence is increasing slightly when higher modes are considered, as shown fully in section 5. Therefore, the influence of higher modes should be considered when strict requirement of wind-induced vibration comfort is needed for some special structures.

키워드

참고문헌

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피인용 문헌

  1. Fuzzy Probability Study on Wind-Induced Annoyance of Tall Buildings vol.15, pp.8, 2012, https://doi.org/10.1260/1369-4332.15.8.1411
  2. Dynamics and Control of High-Rise Buildings under Multidirectional Wind Loads vol.2011, 2011, https://doi.org/10.1155/2011/549621
  3. Structural performance and cost analysis of wind-induced vibration control schemes for a real super-tall building vol.11, pp.8, 2015, https://doi.org/10.1080/15732479.2014.925941
  4. TMD effectiveness for steel high-rise building subjected to wind or earthquake including soil-structure interaction vol.30, pp.4, 2008, https://doi.org/10.12989/was.2020.30.4.423
  5. Wind-Induced Vibration Control of High-Rise Structures Using Compound Damping Cables vol.2021, pp.None, 2008, https://doi.org/10.1155/2021/5537622
  6. Life-cycle cost-based optimization of MTMDs for tall buildings under multiple hazards vol.17, pp.7, 2021, https://doi.org/10.1080/15732479.2020.1778741