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https://hdl.handle.net/20.500.14094/90008280
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2024-04-26
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90008280 (fulltext)
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メタデータID
90008280
アクセス権
open access
出版タイプ
Version of Record
タイトル
Maximum Credible Earthquake Ground Motions with Focus on Site Amplification due to Deep Subsurface
著者
著者ID
A1282
研究者ID
1000030356042
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=b15824d8a2fe1c3d520e17560c007669
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(2)
ページ
6873-6881
出版者
Engineering, Technology & Applied Science Research (ETASR)
刊行日
2021-04
公開日
2021-05-19
抄録
Since an Earthquake Ground Motion (EGM) is amplified from the propagation through the ground, different models are required for each ground type in the seismic design of structures. While the shallow subsurface indicators are used for the classification of ground types, a deep subsurface has a significant impact on the amplification of the EGMs. This study discusses the maximum credible EGMs for seismic design reflecting seismic amplification due to deep subsurface. The design spectra, reflecting the site amplification factor of the target location, are presented by the calculation of the EGMs with the same source and path characteristics and different site amplification factors as recent major Japanese earthquake records have shown, from the perspective of establishing the maximum credible EGMs that may occur in the future at a target site. The present design spectra, which are based on the natural period of a shallow subsurface, are compared with those based on the site amplification factors, considering the effect of deep subsurfaces. Although there are almost no differences in the design spectra with the present design methods according to the surface ground type, the proposed method provides significantly different design spectra for each site amplification factor.
キーワード
maximum credible earthquake ground motion
site amplification factor
deep subsurface
earthquake response analysis
カテゴリ
都市安全研究センター
学術雑誌論文
権利
© 2021 Author.
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.3991
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