Wind and Structures

  • 제14권2호
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  • Pages.113-131
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  • 2011
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Reliability of structures with tuned mass dampers under wind-induced motion: a serviceability consideration

  • Pozos-Estrada, A. (Department of Civil and Environmental Engineering, University of Western Ontario) ;
  • Hong, H.P. (Department of Civil and Environmental Engineering, University of Western Ontario) ;
  • Galsworthy, J.K. (Department of Civil and Environmental Engineering, University of Western Ontario)
  • 투고 : 2009.10.01
  • 심사 : 2010.07.30
  • 발행 : 2011.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

Excessive wind-induced motion in tall buildings can cause discomfort, affect health, and disrupt the daily activities of the occupants of a building. Dynamic vibration absorbers such as the tuned mass dampers (TMDs) can be used to reduce the wind-induced motion below a specified tolerable serviceability limit state (SLS) criterion. This study investigates whether the same probability of not exceeding specified wind-induced motion levels can be achieved by torsionally sensitive structures without/with linear/nonlinear TMDs subjected to partially correlated wind forces, if they are designed to just meet the same SLS criterion. For the analyses, different structures and the uncertainty in the response, wind load and perception of motion is considered. Numerical results indicate that for structures that are designed or retrofitted without or with optimum linear TMDs and satisfying the same SLS criterion, their probability of exceeding the considered criterion is very consistent, if the inherent correlation between the wind forces is considered in design. However, this consistency deteriorates if nonlinear TMDs are employed. Furthermore, if the correlation is ignored in the design, in many cases a slightly unconservative design, as compared to the designed by considering correlation, is achieved.

키워드

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피인용 문헌

  1. Sensitivity Analysis of the Effectiveness of Tuned Mass Dampers to Reduce the Wind-Induced Torsional Responses vol.12, pp.13, 2015, https://doi.org/10.1590/1679-78251856
  2. Optimum tuned mass damper design for preventing brittle fracture of RC buildings vol.12, pp.2, 2013, https://doi.org/10.12989/sss.2013.12.2.137
  3. Tuned mass dampers for human-induced vibration control of the Expo Culture Centre at the World Expo 2010 in Shanghai, China vol.43, pp.5, 2012, https://doi.org/10.12989/sem.2012.43.5.607
  4. TMD effectiveness for steel high-rise building subjected to wind or earthquake including soil-structure interaction vol.30, pp.4, 2011, https://doi.org/10.12989/was.2020.30.4.423
  5. Performance-based wind design of tall buildings: concepts, frameworks, and opportunities vol.31, pp.2, 2020, https://doi.org/10.12989/was.2020.31.2.103
  6. Dynamic Response of Tall Mass-Timber Buildings to Wind Excitation vol.146, pp.10, 2011, https://doi.org/10.1061/(asce)st.1943-541x.0002746
  7. Nonlinear Dynamic Response of Single-Degree-of-Freedom Systems Subjected to Along-Wind Loads. II: Implications for Structural Reliability vol.147, pp.11, 2011, https://doi.org/10.1061/(asce)st.1943-541x.0003124