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Author:

He, Hao-Xiang (He, Hao-Xiang.) (Scholars:何浩祥) | Yan, Wei-Ming (Yan, Wei-Ming.) (Scholars:闫维明) | Chen, Yan-Jiang (Chen, Yan-Jiang.) (Scholars:陈彦江)

Indexed by:

EI Scopus PKU CSCD

Abstract:

Tuned liquid damper (TLD) can reduce dynamic amplitudes of a structure under earthquake. The seismic control of horizontal and torsional response of a structure with cylindrical TLDs was studied. The hydraulic pressure model of the cylindrical TLD including pulse pressure and convection pressure was established with the membrane analog method. The torsional model of the cylindrical TLD was obtained based on the quasi-uniform vortex theorem. The equation of motion for the control system considering eccentric torsion effect was derived and the solving method was presented. A 10-story eccentric structure with TLDs was analyzed to verify the control performance of TLDs for the horizontal and torsional coupled system under earthquake. The effect of pulse pressure, convection pressure and vortex torsional force was analyzed. The results showed that the coupled response can be reduced effectively and the vortex torsional force can not be ignored.

Keyword:

Hydraulic fluids Structural dynamics Vortex flow Equations of motion Earthquakes

Author Community:

  • [ 1 ] [He, Hao-Xiang]Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Yan, Wei-Ming]Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Chen, Yan-Jiang]Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China

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Source :

Journal of Vibration and Shock

ISSN: 1000-3835

Year: 2012

Issue: 6

Volume: 31

Page: 126-130

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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