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西海橋の固有振動特性および耐震性に関する研究


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Title: 西海橋の固有振動特性および耐震性に関する研究
Other Titles: Study on natural vibration and seismic capacity in the Saikai Bridge
Authors: 呉, 慶雄 / 高橋, 和雄 / 古賀, 智己 / 中村, 聖三 / 永田, 正美
Authors (alternative): Wu, Qingxiong / Takahashi, Kazuo / Koga, Tomomi / Nakamura, Shozo / Nagata, Masami
Issue Date: Nov-2010
Publisher: 日本鋼構造協会 / Japanese Society of Steel Construction
Citation: 鋼構造年次論文報告集, 18, pp.389-392; 2010
Abstract: Saikai Bridge is a deck-type fixed arch bridge that was constructed in 1955. At the time it was one of a few long-span bridges in Japan, but as this was shortly after the war, the only tests carried out were operating tests during construction. Therefore in this study, ambient vibrations were measured,and the measured values of natural vibrations and the analysis values of natural vibrations obtained from natural frequency analysis were compared to validate the model and estimate the damping constant. Also, non-linear seismic response analysis was carried out to evaluate the seismic resistance, and the seismic resistance results were compared with those of the newly-constructed New Saikai Bridge(Shin Saikai-bashi).
Keywords: 西海橋 / 常時微動計測 / 非線形地震応答解析 / Saikai Bridge / Microtremor measurement / Nonlinear seismic response
URI: http://hdl.handle.net/10069/33681
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/10069/33681

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