長大カンチレバートラス橋の地震応答に関する観測結果と解析的検証
書誌事項
- タイトル別名
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- Observation and analytical verification on seismic responses of a long span cantilever truss bridge
説明
Described in this paper are an observation and analytical verification on seismic responses of a long-span cantilever truss bridge with 980m-long. Some earthquake records have been obtained from this bridge and dynamic analyses were carried out in order to verify the natural frequencies and damping properties. It was found that natural frequencies of analyses using the three-dimensional model are good agreement with those of observations. However it can be noted the damping ratio which is normally applied in analyses may give small displacement response for the relatively long period mode. Therefore we recommend that 1% of damping ratio should be applied for such the mode. Moreover it was confirmed that the friction between I-bar and a pin at hinge portions of cantilever bridge affect the bridge response in the longitudinal direction.
収録刊行物
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- 構造工学論文集 Ａ
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構造工学論文集 Ａ 53A 277-286, 2007
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
- 1390282680259502720
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- NII論文ID
- 130004503473
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- ISSN
- 1881820X
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
