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タイトル: 新築中の議院建築物の震動検測(第二回)
その他のタイトル: On the Vibration of the Imperial Diet Building(Second report)
著者: 今村, 明恒
岸上, 冬彦
著者(別言語): Imamura, Akitune
Kishinouye, Fuyuhiko
発行日: 1928年8月24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5冊, 1928.8.24, pp.143-162
抄録: About three years ago, one of the writers measured with his new tromometers (the 25 th year-type) the vibrations of the Imperial Diet Building, which has been, and still is, in course of construction. (Bull. Earthq. Eesearch Inst., Tokyo Imp. Univ., I, pp. 14-21.) It was then nothing but two isolated frames, having, besides the underground floor, four floors with a total height of about 22.7 meters. These two parts will be called the northern and the southern wings; they were later connected by a central spired structure consisting of eight floors and having a total height of about 67.8 meters. (See Fig. 1.) Soon after the completion last July of these frames and that of the concrete ground floor, the same tromometers were again brought and installed on the underground, on the 5th and on the 8th floors and 25 earthquakes were observed with them during the two subsequent months. (See Table II.) On Oct. 20th the instruments, which had been installed on the ground and the 8th floors, were removed into the 3rd floor of N and S wings and 6 earthquakes were observed with them during the two subsequent weeks. (See Table III.) The results of observations may be summarized as follows:
URI: http://hdl.handle.net/2261/9903
ISSN: 00408972


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