It is of prime importance to clarify the characteristics of strong earthquake ground motion in the period range from 1 to 10 or more seconds, to improve the method of earthquake resistant design for high-rise buildings and other long-period structures. For this purpose, displacement records of the low-magnification seismographs (natural period=6-100 sec, magnification=1-2) at Tokyo resulting from 29 earthquakes have been investigated by means of various spectrum analysis techniques. The range of magnitude (M), focal depth (H) and epicentral distance (Δ) of the earthquakes are 6.0-7.9, 0-70km, and 14-690 km, respectively.
雑誌名
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo
巻
54
号
3
ページ
629 - 655
発行年
1980-03-31
ISSN
00408972
書誌レコードID
AN00162258
フォーマット
application/pdf
日本十進分類法
453
出版者
東京大学地震研究所
出版者別名
Earthquake Research Institute, University of Tokyo
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