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  1. SSMSパブリケーション
  2. Vol.06

Simulation of long-term time-dependent mechanics of an existing PC bridge by full-3D multi-scale integrated FE analysis

http://hdl.handle.net/10173/1854
http://hdl.handle.net/10173/1854
852a17b1-eb59-4393-bded-05904d2b0412
名前 / ファイル ライセンス アクション
SMS10-157.pdf SMS10-157.pdf (522.9 kB)
Item type 会議発表論文 / Conference Paper(1)
公開日 2018-02-06
タイトル
タイトル Simulation of long-term time-dependent mechanics of an existing PC bridge by full-3D multi-scale integrated FE analysis
言語
言語 eng
キーワード
主題Scheme Other
主題 integrated computing system
キーワード
主題Scheme Other
主題 creep
キーワード
主題Scheme Other
主題 existing structure management
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_5794
資源タイプ conference paper
著者 Sugita, Kei

× Sugita, Kei

Sugita, Kei

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Chijiwa, Nobuhiro

× Chijiwa, Nobuhiro

Chijiwa, Nobuhiro

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Maekawa, Koichi

× Maekawa, Koichi

Maekawa, Koichi

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抄録
内容記述タイプ Abstract
内容記述 A simulation of the long-term deflection and internal stress-strain of a pre-stressed cantilever bridge is made. This particular bridge is selected as the deflection of the bridge after 25 years is much larger than the expected value obtained from the current design creep equation. It is expected that the underestimated deflection is attributed to the limitation of the equation to capture the real, complex behavior of the bridge. To verify this expectation, a finite element program capable of modeling multi-scale, multi-chemo physics, and nonlinear mechanics is used to analyze the long-term behavior of the bridge in details. A systematic investigation is also made to study the influences of various environmental conditions. The analysis shows that the moisture and temperature of the concrete have a major role affecting the overall deflection of the bridge, which is primarily caused by excessive creep and non-uniform shrinkage and expansion. Based on this finding, a novel method to control the deflection of the bridge is introduced; that is, by changing the environmental states of the concrete in the bridge.
書誌情報 Society for Social Management Systems Internet Journal

巻 6, 号 1, 発行日 2010-03
ISSN
収録物識別子タイプ ISSN
収録物識別子 2432-552X
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 Society for Social Management Systems
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