神戸大学附属図書館デジタルアーカイブ
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https://hdl.handle.net/20.500.14094/90008707
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2024-03-29
22:14 集計
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90008707 (fulltext)
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1.29 MB
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メタデータID
90008707
アクセス権
open access
出版タイプ
Version of Record
タイトル
Variation Evaluation of Path Characteristic and Site Amplification Factor of Earthquake Ground Motion at Four Sites in Central Japan
著者
著者ID
A1282
研究者ID
1000030356042
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/profile/ja.b15824d8a2fe1c3d520e17560c007669.html
著者名
Nagao, Takashi
長尾, 毅
ナガオ, タカシ
所属機関名
都市安全研究センター
収録物名
Engineering, Technology & Applied Science Research
巻(号)
11(5)
ページ
7658-7664
出版者
Engineering, Technology & Applied Science Research (ETASR)
刊行日
2021-10
公開日
2021-10-29
抄録
The considered parameters in seismic design vary, with the Earthquake Ground Motion (EGM) having the largest variation. Since source characteristic, path characteristic, and Site Amplification Factor (SAF) influence the EGM, it is crucial to appropriately consider their variations. Source characteristic variations are mainly considered in a seismic hazard analysis, which is commonly used to evaluate variations in EGM. However, it is also important to evaluate variations in path characteristic and SAF with only a few studies having individually and quantitatively examined the variations of these two characteristics. In this study, based on strong-motion observation records obtained from four sites in central Japan, the three characteristics were extracted from seismograms using the concept of spectral inversion. After removing the source characteristic, the path characteristic and SAF were separated, and the variations in these two characteristics were quantified. To separate and obtain each characteristic from the observed record, one constraint condition must be imposed, whereas the variations in the constraint condition must be ignored. In that case, the variations in the constraint condition are included in the variations of the separated characteristics. In this study, this problem was solved by evaluating the variation in the constraint condition, which is the SAF at a hard rock site, by the use of the vertical array observation record at the site.
キーワード
earthquake ground motion
path characteristic
site amplification factor
variation
カテゴリ
都市安全研究センター
学術雑誌論文
権利
© 2021 T. Nagao.
This work is licensed under a Creative Commons Attribution 4.0 International License.
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資源タイプ
journal article
言語
English (英語)
ISSN
2241-4487
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eISSN
1792-8036
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関連情報
DOI
https://doi.org/10.48084/etasr.4405
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