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タイトル: 10.高層建築の地震動による振動
その他のタイトル: 10.Vibration of a Tall Building Caused by Earthquake Shocks.
著者: 齋田, 時太郎
鈴木, 正治
著者(別言語): Saita, Tokitaro
Suzuki, Masazi
発行日: 1936年3月20日
出版者: 東京帝国大学地震研究所
掲載誌情報: 東京帝国大学地震研究所彙報. 第14冊第1号, 1936.3.20, pp.104-118
抄録: The object of the following article is to explain the results of observation which was executed on about one hundred feet heigh building caused by earthquake shocks. Instruments used in this observation were Ishimoto's accelerometer and placed on the roof (or the 8th floor), the 4th floor, the 2nd floor and the basement floor. From this observation the writers especially pointed out the following three matters. (a) The building has predominate period in vibration caused by earthquake shocks. From that the predominate period nearly coincided with the maximum value of the resonance curve, the writers appreciated the existence of the natural period of the building and observed the value 0・6 second. (b) The predominate period on the roof coincided with that on the 4th floor and the value of it was constant in any different earthquake shocks, and also the predominate period on the 2nd floor coincided with that on the basement, but the value of it was not constant in any different earthquake shocks. From these facts the writers are able to suppose the vibrationary node at the 3rd floor nearly. (c) The acceleration on the roof in some cases came up to six from three times of that on the basement floor.
URI: http://hdl.handle.net/2261/10250
ISSN: 00408972
出現カテゴリ:東京大学地震研究所彙報
東京大学地震研究所彙報

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