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吊橋(平戸大橋)の非線形地震応答特性に関する研究


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Title: 吊橋(平戸大橋)の非線形地震応答特性に関する研究
Other Titles: Study on nonlinear seismic characteristics of a suspension bridge(Hirao Bridge)
Authors: 呉, 慶雄 / 犬束, 洋志 / 高橋, 和雄 / 中村, 聖三
Authors (alternative): Wu, Qingxiong / Inutsuka, Hiroshi / Takahashi, Kazuo / Nakamura, Shozo
Issue Date: Mar-2005
Publisher: 土木学会 / Japan Society of Civil Engineers
Citation: 構造工学論文集, 51A, pp.721-729; 2005
Abstract: Evaluation of seismic safety of suspension bridges using the dynamic method is specified in the Design Specifications for Highway Bridges since the dyanamic behaviors of suspension bridges subjected to strong ground motions are complicated. In this paper, the seismic properties of Hirado Bridge, which has single span of 465.4m, are discussed in detail. First, the analysis considering the loosening to main cables and hangers is carried out and the possibility of looseining in this suspension bridge is discussed, Then, the effect of the looseing on the responses of the girder, towers, main cables and hangers if evaluated. Finally, the seismic performance of Hirado Bridge under Level 2 earthquake is estimated using the mean values for three seismic waves.
Keywords: Suspension bridge / Hirado Bridge / earthquake / cable loosening / seismic safety / 吊橋 / 平戸大橋 / 地震 / ケーブルの緩み / 地震安全性
URI: http://hdl.handle.net/10069/30050
Rights: © 社団法人土木学会
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/30050

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