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Structural Reliability Assessment Of Corroded Tanker Ship Based On Experimentally Estimated Ultimate Strength
Abstract
This work deals with the reliability assessment of a tanker ship hull structure subjected to a vertical bending moment and corrosion degradation. The progressive collapse and ultimate load carrying capacity are estimated based on experimentally tested scaled box-shaped-specimens. The translation of the strength estimate of the scaled specimen to the real tanker ship hull structure is performed based on the dimensional theory developing a step-wise linear stress-strain relationship. The load-carrying capacity is considered as a stochastic variable, and the uncertainties resulted from the scaled-specimen to the real-structure strength translation, and the subjected load of the real ship are also accounted for. A sensitivity analysis concerning the stochastic variables, included in the ultimate limit state function is performed. The partial safety factors, in the case of a scaled specimen and real structure, are also identified, and conclusions are derived.
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Authors (2)
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Yordan Garbatov prof.
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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Polish Maritime Research
no. 26,
pages 47 - 54,
ISSN: 1233-2585 - Language:
- English
- Publication year:
- 2019
- Bibliographic description:
- Wołoszyk K., Garbatov Y.: Structural Reliability Assessment Of Corroded Tanker Ship Based On Experimentally Estimated Ultimate Strength// Polish Maritime Research. -Vol. 26, iss. 2 (2019), s.47-54
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/pomr-2019-0024
- Verified by:
- Gdańsk University of Technology
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