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連続トラス橋(生月大橋)の固有振動および非線形地震応答特性


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Title: 連続トラス橋(生月大橋)の固有振動および非線形地震応答特性
Other Titles: Natural vibration and nonlinear seismic response properties of continuous truss bridge (the lkitsuki Bridge)
Authors: 窪田, 圭吾 / 犬束, 洋志 / 呉, 慶雄 / 高橋, 和雄 / 中村, 聖三
Authors (alternative): Kubota, Keigo / Inuzuka, Hiroshi / Wu, Qingxiong / Takahashi, Kazuo / Nakamura, Shozo
Issue Date: Nov-2004
Publisher: 日本鋼構造協会 / Japanese Society of Steel Construction
Citation: 鋼構造年次論文報告集, 12, pp.1-8; 2004
Abstract: The Ikitsuki Bridge,which connects Ikitsuki Island and Hirado Island in Nagasaki, is a through-type continuous truss bridge with three spans. The main span is 400m and the side spans are 200m. In the case of a truss bridge,there is a possibility that a member may yield under a Level 2 strong earthquake. This paper examines free vibrations and nonlinear seismic responses of this bridge using a three-dimensional finite element model. The nonlinear seismic characteristics and seismic safety of this bridge subjected to the Level 2 ground motions are examined in detail. As the result, it is found that some members in lower chord and upper chord yield under strong ground motions.
Keywords: 連続トラス橋 / 非線形地震応答 / 耐震性 / Continuous truss bridges / nonlinear seismic response / earthquake resisting
URI: http://hdl.handle.net/10069/33630
ISSN: 18815367
Rights: © 日本鋼構造協会
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/33630

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