PASSIVE VARIABLE ORIFICE DAMPER TO CONTROL EXCESSIVE DISPLACEMENT OF SEISMICALLY ISOLATED BUILDING

The developed oil damper changes the damping force passively and steplessly depended on damper displacement at low speeds of approximately 30 cm/s or less. A prototype damper with a maximum force of about 500 kN was tested and it was confirmed that the damping force changed as expected. Numerical an...

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Veröffentlicht in:	AIJ Journal of Technology and Design 2023/06/20, Vol.29(72), pp.701-706
Hauptverfasser:	KOYAMA, Yoshiki, YAMAGAMI, Satoshi, FUNAKI, Hidetaka, IKAGO, Kohju, INOUE, Norio
Format:	Artikel
Sprache:	eng ; jpn
Schlagworte:	Damping Displacement control design Isolated building Long period ground motions Numerical analysis Orifices Passive variable orifice damper Seismic isolation Seismic response
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