Journal of Structural and Construction Engineering (Transactions of AIJ)
Online ISSN : 1881-8153
Print ISSN : 1340-4202
ISSN-L : 1340-4202
EVALUATION OF VIBRATION CHARACTERISTICS OF TWO-STORY TIMBER STRUCTURE WITH DAMAGE-DISPERSING AND DAMPING ELEMENTS BASED ON RESONANCE CURVE
Yuji MIYAZU, Takuro MORI, Hiroshi ISODA, Ai TOMITA
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2024 Volume 89 Issue 820 Pages 592-602

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Abstract

Vibration characteristics of a two-story timber structure with damage-dispersing and damping elements are discussed based on resonance curves and time history seismic response analysis. Steady-state response of the two-story nonlinear system was obtained by using Caughey’s equivalent linearization technique, then the resonance curves were plotted by solving a sequential quadratic programming problem. Time history response analyses were conducted using 98 ground motion records to evaluate the variation of seismic response. The result shows that the damage-dispersing element stabilizes steady-state response and enhances the robustness on seismic response, and the viscous damping element mitigates jump phenomenon of the resonance curve.

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© 2024, Architectural Institute of Japan
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