On stability improvement of gravity type onshore and offshore structures

研究成果: Contribution to conferencePaper査読

抄録

A protective cushion layer sandwiched between a gravity type caisson and the surrounding soil can improve the seismic stability of the caisson. In this paper, an interaction model was developed for analyzing such structure under earthquake loading. Interfaces on either side of the cushion were modeled as elements of finite thickness having different stiffness and constitutive properties. Participation from each element of the interaction system was taken into the account by incorporating appropriate factors at the respective interfaces. Seismic analyses were performed on a gravity-type caisson subjected to an actual earthquake motion. Comparison of the analysis results with a similar caisson without any protective cushion showed that the use of cushion yields a significant reduction of seismic load on the structure.

本文言語英語
ページ567-572
ページ数6
DOI
出版ステータス出版済み - 2005
外部発表はい
イベント24th International Conference on Offshore Mechanics and Arctic Engineering, 2005 - Halkidiki, ギリシャ
継続期間: 6 12 20056 17 2005

その他

その他24th International Conference on Offshore Mechanics and Arctic Engineering, 2005
国/地域ギリシャ
CityHalkidiki
Period6/12/056/17/05

All Science Journal Classification (ASJC) codes

  • 海洋工学
  • エネルギー工学および電力技術
  • 機械工学

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