Structural Engineering and Mechanics

  • 제6권1호
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  • Pages.77-93
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  • 1998
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

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Control of buildings using single and multiple tuned liquid column dampers

  • Chang, C.C. (Hong Kong University of Science and Technology) ;
  • Hsu, C.T. (Hong Kong University of Science and Technology) ;
  • Swei, S.M. (Hong Kong University of Science and Technology)
  • 발행 : 1998.01.25
⟨ 이전 논문 다음 논문 ⟩

초록

Some design formulas and design procedures for single and multiple tuned liquid column dampers (TLCDs) are proposed in this study. Previous studies show that if the properties of the TLCD system are properly selected then the TLCD could be as effective as the traditional tuned mass dampers. In addition, the TLCD system offers advantages such as flexibility in terms of installation, little maintenance required, and potentials for multiple usage, etc., which are incomparable by other mechanical types of dampers. In this paper, a set of optimal properties such as length and head loss of a TLCD system are derived under the assumption that the building vibrates in a dominate mode and is subjected to Gaussian white noise excitation. A design procedure for a single TLCD system will be illustrated and discussed. Due to the nonlinearity in the damping term, the TLCD system is sensitive to the loading intensity. This loading sensitivity could limit the application range of the TLCD system. It will be shown in this paper that such a nonlinear effect can be reduced by using multiple TLCDs. As a demonstrative example, the control effects on a flexible building modeled as a single degree-of-freedom system subjected to white noise excitation will be analyzed and discussed using single or multiple TLCDs.

키워드

참고문헌

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피인용 문헌

  1. Control performance of liquid column vibration absorbers vol.20, pp.7, 1998, https://doi.org/10.1016/S0141-0296(97)00062-X
  2. Optimal Performance of the TLCD in Structural Pitching Vibration Control vol.8, pp.5, 2002, https://doi.org/10.1177/1077546029287
  3. Multiple-tuned liquid column dampers for torsional vibration control of structures: experimental investigation vol.31, pp.4, 2002, https://doi.org/10.1002/eqe.133
  4. Experimental Study on Performance of Tuned Liquid Column Damper in Suppressing Pitching Vibration of Structures vol.10, pp.5, 1999, https://doi.org/10.1177/1045389X9901000504
  5. Stochastic earthquake response control of structures by liquid column vibration absorber with uncertain bounded system parameters vol.33, pp.2, 2011, https://doi.org/10.1016/j.strusafe.2011.01.001
  6. Mass dampers and their optimal designs for building vibration control vol.21, pp.5, 1999, https://doi.org/10.1016/S0141-0296(97)00213-7
  7. OPTIMUM PARAMETERS OF TUNED LIQUID COLUMN DAMPER FOR SUPPRESSING PITCHING VIBRATION OF AN UNDAMPED STRUCTURE vol.235, pp.4, 2000, https://doi.org/10.1006/jsvi.2000.2947
  8. Vibration mitigation of structures subjected to random wave forces by liquid column dampers vol.87, 2014, https://doi.org/10.1016/j.oceaneng.2014.05.004
  9. Multiple-tuned liquid column dampers for torsional vibration control of structures: theoretical investigation vol.32, pp.2, 2003, https://doi.org/10.1002/eqe.227
  10. Wind-induced vibration control of bridges using liquid column damper vol.1, pp.2, 2002, https://doi.org/10.1007/s11803-002-0072-3