Influence of corrosion on the ultimate compressive strength of steel plates and stiffened panels
Influence of corrosion on the ultimate compressive strength of steel plates and stiffened panels
This study concentrates on a comparison between steel plate and stiffened panels subject to localised corrosion. A finite element analysis is used to investigate the effect of random corrosion on the compressive strength capacity of marine structural units. Variables include the extent of corrosion; slenderness ratio and aspect ratio. A corrosion prediction model is incorporated to determine the thickness reduction with time. Corrosion-induced volume loss results in a greater reduction of ultimate strength for slender plates compared to stiffened panels, up to 45%, showing the structural element selection can strongly influence the accuracy of the estimated corrosion damage effect
nonlinear finite element analysis, ultimate strength, pitting corrosion, steel plate, stiffened panel
95-104
Sultana, S.
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Wang, Yikun
2729f2f1-36d7-4daa-8589-b61fcc99a313
Sobey, A.J.
e850606f-aa79-4c99-8682-2cfffda3cd28
Wharton, J.A.
965a38fd-d2bc-4a19-a08c-2d4e036aa96b
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
November 2015
Sultana, S.
b5f96d95-f475-458e-a682-51e6950f199a
Wang, Yikun
2729f2f1-36d7-4daa-8589-b61fcc99a313
Sobey, A.J.
e850606f-aa79-4c99-8682-2cfffda3cd28
Wharton, J.A.
965a38fd-d2bc-4a19-a08c-2d4e036aa96b
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
Sultana, S., Wang, Yikun, Sobey, A.J., Wharton, J.A. and Shenoi, R.A.
(2015)
Influence of corrosion on the ultimate compressive strength of steel plates and stiffened panels.
Thin-Walled Structures, 96, .
(doi:10.1016/j.tws.2015.08.006).
Abstract
This study concentrates on a comparison between steel plate and stiffened panels subject to localised corrosion. A finite element analysis is used to investigate the effect of random corrosion on the compressive strength capacity of marine structural units. Variables include the extent of corrosion; slenderness ratio and aspect ratio. A corrosion prediction model is incorporated to determine the thickness reduction with time. Corrosion-induced volume loss results in a greater reduction of ultimate strength for slender plates compared to stiffened panels, up to 45%, showing the structural element selection can strongly influence the accuracy of the estimated corrosion damage effect
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Accepted/In Press date: 6 August 2015
Published date: November 2015
Keywords:
nonlinear finite element analysis, ultimate strength, pitting corrosion, steel plate, stiffened panel
Organisations:
Fluid Structure Interactions Group
Identifiers
Local EPrints ID: 382031
URI: http://eprints.soton.ac.uk/id/eprint/382031
ISSN: 0263-8231
PURE UUID: 6125d179-cd6d-4885-99c2-02ac55de3eea
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Date deposited: 19 Oct 2015 12:22
Last modified: 15 Mar 2024 03:47
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Author:
S. Sultana
Author:
Yikun Wang
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