ASI-Gauss 法による骨組み崩壊解析に基づく阿蘇大橋崩壊メカニズムの推定

浅井 光輝, 原 倖平, 磯部 大吾郎, 田中 聖三

研究成果: Contribution to journalArticle査読

抄録

<p>Many bridges and infrastrucutures were damaged by the seismic waves in the 2016 Kumamoto Earthquakes, and in this research, we focused on the Aso-bridge which collapsed immediately after the main shock. A huge landslide happened after the earthquakes and Aso-bridge, which was constructed in the same location of the landslide, totally collapsed. There are a couple of reports that four main factors might have contributed to this collapse; (1) seismic wave, (2) ground deformation, (3) landslide material load increase on the bridge, (4) basement ground collapse. In this paper, a numerical analysis of the Aso-Bridge collapse was conducted using the ASI-Gauss code, which is one of the finite element method utilizing beam elements. Then, we have discussed the main factor of the Aso-bridge collapse.</p>
寄稿の翻訳タイトルEstimation on collapse mechanism of Aso-bridge during the 2016 Kumamoto earthquakes using ASI-Gauss code
本文言語日本語
ページ(範囲)59-69
ページ数11
ジャーナル構造工学論文集 A
66
0
DOI
出版ステータス出版済み - 3 2020

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