エネルギー一周期特性曲線を用いたパルス状外乱を受ける履歴系の応答推定

概要

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Roughly estimating elasto-plastic earthquake response by using some kinds of response specira has some merits to understand the outline of nonlinear dynamic behavior. In the previous study, an energy-based estimation method of nonlinear dynamic response was developed, and thmugh the examination on elastic oscilator it had been suggested that this method might be applicable to the pmblem subject to pulse excitation. On the other hand, characteristic pulse related to collapse of buildings, so-called "killer pulse", were observed in waveform records of several recent earthquakes. The present paper discusses if the proposed method can estimate the response of inelastic single-degree-of-freedom systems subject to one cycle sine wave.
一般社団法人日本建築学会の論文
2010-03-27