Abstract
A new vibration control system, Damped braced tube system, is developed for adopting on super high-rise buildings in central Tokyo. This system consists of tube frame using elastic braces and damped slit where a portion of braces are replaced by dampers. Damped slit acting as link beam of coupled shear wall system can dissipate seismic energy very efficiently and contribute to succeeding to meet higher seismic criteria. This paper describes system outline and efficiency through numerical analysis of actual high-rise project expected to be one of the tallest towers in central Tokyo.
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