Bounding Surface Model for Cyclic Biaxial Bending of RC Sections
Publication: Journal of Engineering Mechanics
Volume 117, Issue 12
Abstract
An incremental model is proposed for the nonlinear relationship between the normal action effects N, and and the corresponding cross‐sectional deformations, and of rectangular reinforced concrete cross sections. The incremental relationship is of the bounding‐surface plasticity type: The bounding surface of the cross section, which corresponds to ultimate strength, is constructed in the stress space of and the plastic moduli of the incremental flexibility or rigidity relation are functions of the distance of the current stress point from the bounding surface, along the current direction of incremental loading. The functional dependence of the bounding surface and of the plastic moduli on the amount and distribution of longitudinal and transverse steel is given, as well as the coupling terms between axial deformation and curvatures in the incremental flexibility relation. The simple hysteresis rules, which make the model applicable for arbitrary load paths in the space, including reversals, are also given.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 117 • Issue 12 • December 1991
Pages: 2748 - 2769
Copyright
Copyright © 1991 ASCE.
History
Published online: Dec 1, 1991
Published in print: Dec 1991
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