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タイトル: 不規則構造に対する地震波の挙動 : その1.崖地形が地震動に及ぼす影響
その他のタイトル: Behavior of the Elastic Waves Propagating through the Irregular Structures : I. Effects on Cliff by Earthquake Ground Motions
著者: 座間, 信作
著者(別言語): Zama, Shinsaku
発行日: 1982年3月31日
出版者: 東京大学地震研究所
掲載誌情報: 東京大学地震研究所彙報. 第56冊第4号, 1982.3.31, pp. 741-752
抄録: It is very important to clarify the earthquake ground motion characteristics on and around cliffs, since we have experienced heavy damage near cliffs due to earthquakes. Recent good examples are the disaster at many cliffs in the Izu Peninsula due to the 1974 Izu-Hanto-Oki earthquake and the 1978 Izu-Ohshima-Kinkai earthquake. The finite element method which is a powerful tool for determining the effect of structural irregularities on the wave propagation was employed to clarify the problems. Both the characteristics associated with time and frequency domains for plane SH and SV waves which propagate in a uniform and linear-elastic material with Poisson's ratio of 0.29 were studied. The source is a rectangular pulse, the duration of which is short enough to allow easy identification of the scattered waves.
URI: http://hdl.handle.net/2261/12830
ISSN: 00408972


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