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Modeling of the subsurface structure from the seismic bedrock to the ground surface for a broadband strong motion evaluation in japan
https://nied-repo.bosai.go.jp/records/5421
https://nied-repo.bosai.go.jp/records/5421c1c51f2a-0347-4dc6-8966-6f5510ed743f
| Item type | researchmap(1) | |||||||||||||||||||||
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| 公開日 | 2023-03-30 | |||||||||||||||||||||
| タイトル | ||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| タイトル | Modeling of the subsurface structure from the seismic bedrock to the ground surface for a broadband strong motion evaluation in japan | |||||||||||||||||||||
| 言語 | ||||||||||||||||||||||
| 言語 | eng | |||||||||||||||||||||
| 著者 |
S. Senna
× S. Senna
× A. Wakai
× H. Fujiwara
× K. Jin
× A. Yatagai
× H. Suzuki
× Y. Inagaki
× H. Matsuyama
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| 抄録 | ||||||||||||||||||||||
| 内容記述タイプ | Other | |||||||||||||||||||||
| 内容記述 | To estimate damage caused by strong ground motions from a large earthquake, it is important to accurately evaluate broadband ground-motion characteristics in wide area. For realizing that, it is one of the important issues to model detailed subsurface structure from top surface of seismic bedrock to ground surface. In this study, we first collected a lot of records obtained by dense microtremor observations and earthquake ones in the whole area. And then, using ground motion characteristics such as disperse curves and H/V(R/V) spectral ratios obtained from these records, the initial geological subsurface structure models were improved in terms of velocity structure from top surface of seismic bedrock to ground surface in the area. We will report outlines on microtremor array observations, analysis methods and improved subsurface structure models. | |||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 書誌情報 |
en : Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions- Proceedings of the 7th International Conference on Earthquake Geotechnical Engineering, 2019 p. 4931-4938 |
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| 言語 | en | |||||||||||||||||||||
| 出版者 | CRC Press | |||||||||||||||||||||
| DOI | ||||||||||||||||||||||
| 関連識別子 | 10.20965/jdr.2013.p0889 | |||||||||||||||||||||
