Elasto‐plastic Cracking Analysis of Reinforced Concrete
Publication: Journal of Structural Engineering
Volume 114, Issue 11
Abstract
A new elasto‐plastic cracking constitutive model for reinforced concrete is presented. The nonlinear effects considered cover almost all the nonlinearities exhibited by reinforced concrete under short term monotonic loading. They include concrete cracking in tension, plasticity in compression, aggregate interlock, tension softening, elasto‐plastic behavior of steel, bond‐slip between concrete, and steel reinforcement and tension stiffening. A new procedure for incorporating bondslip in smeared steel elements is described. A modified Huber‐Hencky‐Mises failure criterion for plastic deformation of concrete, which fits the experimental results under biaxial stresses better, is proposed. Multiple cracking at Gauss points and their opening and closing are considered. Matrix expressions are developed and are incorporated in a nonlinear finite element program. After the objectivity of the model is demonstrated, the model is used to analyze two different types of problems: one, a set of four shear panels, and the other, a reinforced concrete beam without shear reinforcement. The results of the analysis agree favorably with the experimental results.
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Information & Authors
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Published In
Journal of Structural Engineering
Volume 114 • Issue 11 • November 1988
Pages: 2421 - 2438
Copyright
Copyright © 1988 ASCE.
History
Published online: Nov 1, 1988
Published in print: Nov 1988
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