Buckling/plastic collapse behaviour and strength of stiffened plates under thrust

Tetsuya Yao, Masahiko Fujikubo, Daisuke Yanagihara

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

Series of elastoplastic large deflection analyses are performed ion stiffened plates with flat-bar and angle-bar stiffeners subjected to thrust, and the influences of sectional geometries of stiffeners on the buckling/plastic collapse behaviours are investigated. It has been found that: (1) Local panel buckling strength between stiffeners, post-buckling inplane rigidity and ultimate strength are significantly increased owing to the stiffener. (2) Stiffened plates undergo elastoplastic secondary buckling after local panel buckling. (3) Higher ultimate strength is attained by stiffeners with lower depth to thickness ratio of a web. However, the reduction in capacity after the ultimate strength is more rapid for stiffened plates with such stiffeners. (4) When the stiffeners with relatively high depth to thickness ratio are provided, the ultimate strength is lower than the case with lower depth to thickness ratio, but the capacity reduction after the ultimate strength is rather moderate.

Original languageEnglish
Pages353-360
Number of pages8
Publication statusPublished - Jan 1 1997
Externally publishedYes
EventProceedings of the 1997 7th International Offshore and Polar Engineering Conference. Part 4 (of 4) - Honolulu, HI, USA
Duration: May 25 1997May 30 1997

Other

OtherProceedings of the 1997 7th International Offshore and Polar Engineering Conference. Part 4 (of 4)
CityHonolulu, HI, USA
Period5/25/975/30/97

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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  • Cite this

    Yao, T., Fujikubo, M., & Yanagihara, D. (1997). Buckling/plastic collapse behaviour and strength of stiffened plates under thrust. 353-360. Paper presented at Proceedings of the 1997 7th International Offshore and Polar Engineering Conference. Part 4 (of 4), Honolulu, HI, USA, .