Residual Strength of Ship Structures with Corrosion-Induced Damage


  1. Roorda, J.
  2. Srivastava, N.K.
  3. Masiouhi, A.
  4. Sherbourne, A.N.
Corporate Authors
Defence R&D Canada - Atlantic, Dartmouth NS (CAN);Waterloo Univ, Waterloo ONT (CAN)
The report is divided into three parts. After a brief introduction and literature survey on the phenomena of corrosion as it applies to ship structures, in general, and plate structures, in particular, it deals in part two with the effect of corrosion on the material properties of ship steels, concluding with the values that might be used in the long term strength and stability analysis of these elements. Part three outlines a method for calculating the stability number of a corroded square plate under different patterns of degradation, with emphasis on how the thickness variation can be modeled and used in an energy analysis to determine the reduction in strength. Some guidance is also given as to the interactive buckling that might occur in a wide, plated, stiffened column where degradation of the corroded plate may influence the transition from overall column buckling to local plate buckling.

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Report Number
DREA-CR/96/432 — Contractor Report
Date of publication
01 Apr 1996
Number of Pages
Electronic Document(PDF)

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