Journal of Structural and Construction Engineering (Transactions of AIJ)
Online ISSN : 1881-8153
Print ISSN : 1340-4202
ISSN-L : 1340-4202
STUDY ON RESPONSE EVALUATION OF BUILDINGS AT RESONANCE
Hisahiro HIRAISHI, Yuri OTSUKA, Ying ZHU, Kirari OI, Daisuke ODE, Masahito KOBAYASHI
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Keywords: Resonance, Steady loop, Response reduction factor, Hysteresis characteristics, Input energy, Damping factor
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2016 Volume 81 Issue 719 Pages 19-27

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Abstract
 This paper discusses the energy equilibrium of the elastic single-mass system when it resonates, and presents the simple equation of the reduction factor by damping. The paper also discusses the effect of elasto-plastic behavior by using swept wave proposed in the paper in order to excite resonance to the system, and presents the equation of the reduction factor considering that effect.
 Finally, the paper shows that the time history analytical results of elasto-plastic systems excellently agree with those calculated by the proposed equation of energy and response acceleration.
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© 2016 Architectural Institute of Japan
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