掲載雑誌（和）：
日本地震工学シンポジウム講演集
Vol：
5巻
年：
1978年
頁：
33-40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 JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
著者（英）：
F. K. Chang, E. L. Krinitzsky
タイトル（英）：
EFFECTS OF MAGNITUDE, DISTANCE, AND SITE CONDITIONS ON DURATION OF STRONG EARTHQUAKE MOTIONS
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抄録（英）：
The observed spread in the frequency content of strong-motion accelerograms does not vary greatly with duration, magnitude, and site geological conditions though there is a predominance of low frequencies (<2 Hz) at alluvial sites. Maximum bracketed durations (>0.05 g) appear to be greater in soil sites than in rock sites by a factor of at least 2 to 1. A decrease in bracketed duration with distance from source is very pronounced for soil sites in the near field. Resonance can greatly increase the duration of shaking, particularly in soft alluvium.
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キーワード（英）：
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記事区分：
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区分
委員会論文集