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6 April 2009 Torsionally coupled vibration control of eccentric buildings using liquid dampers
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This paper focus on the seismic response control of eccentric structures using tuned liquid column dampers (TLCD) and circular tuned liquid column dampers (CTLCD). An 8-story eccentric steel building, with two TLCDs on the orthogonal direction and one CTLCD on the mass center of the top story, is analyzed. The optimal parameters of liquid dampers are optimized by Genetic Algorithm. The structural response with and without liquid dampers under bi-directional earthquakes are calculated. The results show that the torsionally coupled response of structures can be effectively suppressed by use of liquid dampers with optimal parameters.
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Linsheng Huo and Hongnan Li "Torsionally coupled vibration control of eccentric buildings using liquid dampers", Proc. SPIE 7288, Active and Passive Smart Structures and Integrated Systems 2009, 728826 (6 April 2009);

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