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発表 A Study on Seismic Behavior of Pile Foundations of Bridge Abutment on Liquefiable Ground through Shaking Table Tests

作成年度 2017 年度
論文名 A Study on Seismic Behavior of Pile Foundations of Bridge Abutment on Liquefiable Ground through Shaking Table Tests
論文名(和訳)
論文副題
発表会 IGNITE-AICCE'17
誌名 AIP Conference Proceedings
巻・号・回  1892
発表年月日 2017/08/08 ~ 2017/08/09
所属研究室/機関名 著者名(英名)
橋梁構造研究G中田光彦
橋梁構造研究G谷本俊輔
橋梁構造研究G(現 復建調査設計株式会社)石田修一
橋梁構造研究G大住道生
橋梁構造研究G(現 国土技術政策総合研究所)星隈順一
抄録
There is risk of bridge foundations to be damaged by liquefaction-induced lateral spreading of ground. Once bridge foundations have been damaged, it takes a lot of time for restoration. Therefore, it is important to assess the seismic behavior of the foundations on liquefiable ground appropriately. In this study, shaking table tests of models on a scale of 1/10 were conducted at the large scale shaking table in Public Works Research Institute, Japan, to investigate the seismic behavior of pile-supported bridge abutment on liquefiable ground. The shaking table tests were conducted for three types of model. Two are models of existing bridge which was built without design for liquefaction and the other is a model of bridge which was designed based on the current Japanese design specifications for highway bridges. As a result, the bending strains of piles of the abutment which were designed based on the current design specifications were less than those of the existing bridge.
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