Cyclic Behavior of Perforated Stiffened Plates under Axial Forces
Publication: Journal of Structural Engineering
Volume 128, Issue 6
Abstract
This study consists of an analytical examination of the behavior of a stiffened plate with a hole when subjected to cyclic axial forces, and an investigation of the effect of the doubling plate reinforcement method. Parametric nonlinear finite element analysis is carried out with isoparametric shell elements with four nodal points, two surface models as constitutive laws, and an incremental method based on an updated Lagrangian method. This parametric analysis reveals that the ultimate strength of a perforated stiffened plate with or without reinforcement can be estimated using a modification of the formula for a nonperforated stiffened plate. It is notable that doubling plate reinforcement increases the ultimate strength but barely reduces the deterioration of postpeak strength and also that increasing the stiffness ratio of the stiffener effectively enhances the strength and deformation capacity of the perforated stiffened plate.
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Information
Published In
Journal of Structural Engineering
Volume 128 • Issue 6 • June 2002
Pages: 779 - 787
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Dec 20, 2000
Accepted: Oct 26, 2001
Published online: May 15, 2002
Published in print: Jun 2002
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