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- 佐藤 太裕
- 北海道大学大学院工学研究科北方圏環境政策工学専攻
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- Patel Minoo H.
- Head of School of Engineering, Cranfield University
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- Trarieux Florent
- Research Officer, School of Engineering, Cranfield University
書誌事項
- タイトル別名
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- Local Buckling Characteristics of Structural Pipe-in-Pipe Cross-Sections with Very Soft and Thick Cores under External Fluid Pressure
- キワメテ ジュウナン カツ アツイ コア オ ユウスル パイプインパイプ ダンメン ノ セイスイアツ ニ ヨル キョクブザクツトクセイ
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説明
This paper presents an analysis of local collapse mechanisms of a structural pipe-in-pipe cross-section with very soft and thick core when subjected to external hydrostatic pressure. It formulates and solves the elastic collapse problem using the variational principle of minimum potential energy. Effects of therelative stiffness between the outer/inner pipes and the core, and the core thickness on the critical external pressures and the collapse modes are investigated. The paper also proposes a simplified formulation of the localbuckling problem where the outer pipe and its contact with the filler material is considered as a ‘ringon an elastic foundation’.
収録刊行物
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- 応用力学論文集
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応用力学論文集 9 25-32, 2006
公益社団法人 土木学会
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詳細情報 詳細情報について
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- CRID
- 1390282680182660352
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- NII論文ID
- 130004258377
- 40015305925
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- NII書誌ID
- AA11311063
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- ISSN
- 1884832X
- 13459139
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- NDL書誌ID
- 8676195
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDLサーチ
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- 使用不可