EVALUATION OF THE DYNAMIC CHARACTERISTICS OF THE BASE-ISOLATION SYSTEM ON THE ACTUAL BUILDING

EVALUATION OF THE DYNAMIC CHARACTERISTICS OF THE BASE-ISOLATION SYSTEM ON THE ACTUAL BUILDING

Free-vibration experiments and static loading experiments were conducted on a 30-year-old base-isolated building in order to evaluate and compare the measured horizontal stiffness of the base-isolation systems obtained from the two experiments. As a result, the horizontal stiffness results obtained...

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Veröffentlicht in:AIJ Journal of Technology and Design 2018/10/20, Vol.24(58), pp.979-984
Hauptverfasser: FUNAKI, Hidetaka, KOYAMA, Yoshiki, YAMAGAMI, Satoshi
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Base-isolated building
Bearing steels
Damper bearings
Dynamic characteristics
Dynamic response
Experiments
Free vibration
Free vibration test
Isolation systems
Mechanical properties
Natural rubber
Natural rubber bearing
Seismic isolation
Static loading test
Steel bar damper
Stiffness
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Beschreibung
Zusammenfassung:Free-vibration experiments and static loading experiments were conducted on a 30-year-old base-isolated building in order to evaluate and compare the measured horizontal stiffness of the base-isolation systems obtained from the two experiments. As a result, the horizontal stiffness results obtained from the free vibration experiment showed good agreement with the secant stiffness results obtained from the static loading experiment. This confirms the validity of evaluating the dynamic response of a building seismically isolated by means of natural rubber bearings and steel bar dampers in terms of mechanical properties observed in a static loading test.
ISSN:1341-9463
1881-8188
DOI:10.3130/aijt.24.979