A method was developed to analyze the behavior and ultimate strength of longitudinally stiffened ship hull girder segments of rectangular single-cell cross section, subjected to bending, shear and torsion. Principal features: Enforcement of compatibility between individual nonlinear components of hull cross section; Compression flange is treated as if formed from beam-columns each consisting of plate-stiffener (longitudinal) combination, pre- and post-buckling, large deformations and plastification are taken into account; Webs (sides) are analyzed by a multiple tension-field approach considering redistribution of normal and shearing stresses between plate subpanels. Comparison of the method with the results of two tests on a small hull girder specimen showed that the method is acceptably accurate for the loading case of moment and shear but should be modified for the general loading case of moment, shear and torque to include the effect of warping deformations (deplanation) of the cross section. (de Posamentier)
Ultimate strength of ship hull girders under moment, shear and torque
Bruchfestigkeit von Traegern fuer den Schiffskoerper unter dem Einfluss von Schub und Drehmoment
US Government Research Reports ; Jul ; 1-147
1980
147 Seiten
Report
English
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