Response of a Reinforced Concrete Section to Two-Dimensional Curvature Histories

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Title: Response of a Reinforced Concrete Section to Two-Dimensional Curvature Histories

Author(s): A. E. Aktan and D. A. Pecknold

Publication: Journal Proceedings

Volume: 71

Issue: 5

Appears on pages(s): 246-250

Keywords: bending moments; biaxial loads; cyclic loads; ductility; earthquakes; energy methods; moments; rein-forced concrete; stiffness; structural analysis.

Date: 5/1/1974

Abstract:
The responses of a reinforced concrete section to three biaxial curvature histories simulating earthquake motions are computed and examined with particular reference to stiffness, moment capacity, and energy dissipation charac-teristics. The implication of the adverse effects of cyclic biaxial bending on these properties is that required ductilities under earthquake loading are likely to be substantially larger than those expected on the basis of uniaxial bending behavior.