Compressive Strength of Large Scale HSLA-80 Steel Cellular Sections of a Double Hull Ship Structure

by Alan AhKum Pang, (M.ASCE), Lehigh Univ, Beth, United States,
James M. Ricles, (M.ASCE), Lehigh Univ, Beth, United States,
Le-Wu Lu, (M.ASCE), Lehigh Univ, Beth, United States,
Perry Green, Lehigh Univ, Beth, United States,



Document Type: Proceeding Paper

Part of: Structures Congress XII

Abstract:

An analytical and experimental large scale test program was conducted to investigate the instability failure modes of cellular double hull box sections. The main emphasis of the study was the behavior of sections under combined hydrostatic lateral pressure and axial force from longitudinal hull bending. The results of the experimental test program indicated that the behavior and capacity of the double hull sections were dominated by local plate buckling. The specimen behavior and mode of failure were found to be reasonably predicted using the nonlinear finite element method. Ultimate loads could also be predicted using the AISC interaction equation and the empirical Frankland and Faulkner plate formulas.

Subject Headings: Steel structures | Compressive strength | Ships | Lateral pressure | Failure modes | Failure analysis | Plates

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