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路面補修前後の長期モニタリングから評価した周期性路面の橋梁に及ぼす影響
http://hdl.handle.net/2297/35653
http://hdl.handle.net/2297/3565388b7ce5c-5fb4-47a8-8997-e88db8cfbcd5
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | 路面補修前後の長期モニタリングから評価した周期性路面の橋梁に及ぼす影響 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Dynamic response of bridge affected by road roughness with a long spatial wavelength in monitoring before and after | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
深田, 宰史
× 深田, 宰史× 室井, 智文× 樅山, 好幸× 梶川, 康男 |
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書誌情報 |
土木学会論文集A1(構造・地震工学) = Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE)) 巻 67, 号 1, p. 121-136, 発行日 2011-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2185-4653 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2208/jscejseee.67.121 | |||||
出版者 | ||||||
出版者 | 土木学会 = Japan Society of Civil Engineers | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 本研究で対象とした高速道路に架設されたPC桁橋は,大型車両の走行に伴い,車両と橋梁との連成振動が生じ,大きく振動していた.本研究では,試験車走行実験および路面計測により,その振動原因を路面凹凸の周期性であると判断した.そこで,様々な走行速度,重量およびばね特性を有した一般の大型車走行によって生じた車両と橋梁との連成振動により,橋梁が受ける影響として,主桁の応力度がどの程度,動的に増幅しているのか,2年間の長期モニタリングから明らかにした.さらに,その路面を補修したことにより,その応力度がどの程度低減できたのか,路面補修後の試験車走行実験と1年間の一般車走行を対象としたモニタリングにより明らかにした. Object prestressed concrete bridge with a 37.47m span vibrated greatly due to the resonation of the leaf suspension spring vibration arose from road roughness with the spatial wavelength near the expansion joint, only when the test truck ran in the 2nd slow lane. The bridge dynamic response affects the driver's riding comfort and the load-carrying capacity of the bridge. The monitoring was carried out for two years and five months in order to grasp the dynamic stress of the girders and the total weight of the trucks ordinarily running on the bridge. Moreover, the road roughness with a long spatial wavelength was repaired. After the repair, the same monitoring is continuing currently in order to compare with the data gathered about the dynamic response of the bridge before the repair. This paper describes the results of the dynamic response of the bridge resonated to the trucks' spring vibration arose from road roughness with a long spatial wavelength by monitoring before and after the repair. | |||||
権利 | ||||||
権利情報 | Copy |