書誌事項
- タイトル別名
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- DETERMINATION OF THE SUBSURFACE STRUCTURE OF HAMADA CITY, SHIMANE PREFECTURE USING MICROTREMOR EXPLORATION
- 公開日
- 2009
- DOI
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- 10.2208/jscejseee.65.82
- 公開者
- 公益社団法人 土木学会
説明
Serious damages occurred by 1872 Hamada Earthquake in Hamada City, Shimane Prefecture. It is supposed that the damage influenced the subsurface structure. Therefore, microtremor observations were carried out to determine the subsurface structures of the Hamada City, Shimane prefecture. The subsurface structures were determined by S-wave velocity structure models obtained at the array observation 4 sites and predominant period distribution at 3-components observation 44 sites. The Swave velocities of alluvial layers were 100-150m/s. The predominant period was 0.2-0.8 period that H/V were clear single peak models in areas along the Hamada River. It was found that soft alluvial layers were distributed whole area from S-wave velocity structure. Depth to bedrock (S-wave velocity is 800m/s layer) was about 50m maximum and the depth to a bottom layer (S-wave velocity is 3000m/s layer) was about 800m maximum.
収録刊行物
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- 土木学会論文集A1（構造・地震工学）
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土木学会論文集A1（構造・地震工学） 65 (1), 82-87, 2009
公益社団法人 土木学会
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詳細情報 詳細情報について
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- CRID
- 1390282680327806592
-
- NII論文ID
- 130004961228
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- ISSN
- 21854653
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
