掲載雑誌（和）：
日本地震工学シンポジウム論文集
Vol：
9-2巻
年：
1994年
頁：
1663-1668頁
著者（和）：
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タイトル（和）：
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抄録（和）：
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キーワード（和）：
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掲載雑誌（英）：
PROCEEDINGS OF THE JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
著者（英）：
Tetsuo KUBO
タイトル（英）：
SIGNIFLCANCE OF NONSTATIONARY FREQUENCY PROPERTIES OF STRONG EARTHQUAKE GROUND MOTION ON INELASTIC RESPONSES OF STRUCTURAL SYSTEM
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抄録（英）：
Nonstationary frequency properties observed in real strong earthquake ground motions are determined through an evolutionary spectral analysis. The motions arc classified into five groups according to their time dependent patterns of nonstationary spectral contents. Inelastic responses of structures with various hysteresis models arc evaluated. The results reveal the evidence that nonstationary spectral contents included in earthquake motions produce inelastic responses so as the resultant equivalent period of structural response to coincide with the dominant period of motion within duration of excitation, indicating the potentiality that the nonstationary frequency properties of earthquake motion can develop excessively large responses for stiffness deteriorating structures.
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キーワード（英）：
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委員会論文集