54 地震動特性にもとづく最大塑性変位応答に関する研究

概要

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A method of estimating inelastic displacement responses of single-degree-of-freedom system with a hysteresis rule of reinforced concrete structures was presented based on energy input characteristics of earthquake motions. Effective instantaneous energy was defined as input energy during the equivalent fundamental period of the system. The calculated inelastic responses could fairly be estimated from the effective energy input rate spectra and the energy dissipation capacity of the system. The instantaneous energy spectra could roughly be related to the spectra of time-averaged input energy defined as total energy divided by the effective duration of motions. Effects of damping characteristics on the instantaneous energy spectra and velocity response spectra were investigated, which were also found to be dependable on the duration of earthquake motions.
一般社団法人日本建築学会の論文
1997-03-20