Model for Inelastic Biaxial Bending of Concrete Members
Publication: Journal of Structural Engineering
Volume 110, Issue 11
Abstract
An analytical model is developed to simulate the hysteretic and stiffness degrading behavior of reinforced concrete members subjected to axial load and biaxial bending interaction. The model separates the member into two inelastic elements. Each inelastic element, composed of individual spring elements, simulates the inelastic effects of the member as well as the cumulative slip of the anchored bars in the beam‐column joint. The proposed model, by its simplistic nature, is not claimed to be precise, but rather, tries to bridge the gap between the sophisticated finite element approach and the very crude discrete models with constant axial load assumptions. The construction of neither a skeleton curve nor a three‐dimensional yield surface is necessary. The present model should be a practical tool for three‐dimensional inelastic analysis and design of reinforced concrete structures.
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Copyright © 1984 ASCE.
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Published online: Nov 1, 1984
Published in print: Nov 1984
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