2001年芸予地震記録による地盤と建物の応答特性

URI http://harp.lib.hiroshima-u.ac.jp/it-hiroshima/metadata/3730
File
Title
2001年芸予地震記録による地盤と建物の応答特性
Title Alternative
Characteristics of Ground Motions and Building Responses Recorded during the 2001 Geiyo Earthquake
Author
氏名 野添 久視
ヨミ ノゾエ ヒサシ
別名 Nozoe Hisashi
Subject
Seismic observation
Digital strong-seismograph
Ground motion
Building response
NDC
524.9
Abstract

Seismic observation was carried out in the campus of the Hiroshima institute of technology. The vibration of the building and the ground motion were recorded during the 2001 Geiyo earthquake. The comparisons of seismograms obtained by the three accelerometers are performed by the spectrum analysis. A summary of the recorded results is presented as follows: 1) The horizontal component is excited by the third mode of the building and the vertical component becomes large at the natural frequency due to the vibration of the roof floor-girder. The horizontally and vertically natural frequency in the Geiyo earthquake becomes 0.7~0.8 times and 0.8~0.9 times that in the past small earthquakes, respectively. 2) As the characteristics of ground motions due to a basement, the horizontal component is shown as the surface deposit hardening. From comparison with the results of the past small earthquakes, the surface deposit is softening 1/1.25 times due to the Geiyo earthquake.

Journal Title
広島工業大学紀要. 研究編
Volume
36
Spage
177
Epage
183
Published Date
2002
Publisher
広島工業大学
ISSN
13469975
NCID
AA11599110
Language
jpn
NIIType
Departmental Bulletin Paper
Text Version
出版社版
Old URI
Set
it-hiroshima