Analytical and experimental research on wind-induced vibration in high-rise buildings with tuned liquid column dampers

Ming Yi Liu, Wei Ling Chiang, Chia Ren Chu, Shih Sheng Lin

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

In recent years, high-strength, light-weight materials have been widely used in the construction of high-rise buildings. Such structures generally have flexible, low-damping characteristics. Consequently, wind-induced oscillation greatly affects the structural safety and the comfort of the building's occupants. In this research, wind tunnel experiments were carried out to study the wind-induced vibration of a building with a tuned liquid column damper (TLCD). Then, a model for predicting the aerodynamic response in the across-wind direction was generated. Finally, a computing procedure was developed for the analytical modeling of the structural oscillation in a building with a TLCD under the wind load. The model agrees substantially with the experimental results. Therefore, it may be used to accurately calculate the structural response. Results from this investigation show that the TLCD is more advantageous for reducing the across-wind vibration than the along-wind oscillation. When the across-wind aerodynamic effects are considered, the TLCD more effectively controls the aerodynamic response. Moreover, it is also more useful in suppressing the acceleration than the displacement in biaxial directions. As s result, TLCDs are effective devices for reducing the wind-induced vibration in buildings. Parametric studies have also been conducted to evaluate the effectiveness of the TLCD in suppressing the structural oscillation. This study may help engineers to more correctly predict the aerodynamic response of high-rise buildings as well as select the most appropriate TLCDs for reducing the structural vibration under the wind load. It may also improve the understanding of wind-structure interactions and wind resistant designs for high-rise buildings.

Original languageEnglish
Pages (from-to)71-90
Number of pages20
JournalWind and Structures, An International Journal
Volume6
Issue number1
DOIs
StatePublished - Jan 2003

Keywords

  • Aerodynamic damping ratio
  • High-rise building
  • Tuned liquid column damper
  • Wind tunnel experiment

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