Modeling Reinforced-Concrete Beam-Column Joints Subjected to Cyclic Loading
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Volume 129, Issue 12
Abstract
A model is developed to represent the response of reinforced-concrete beam-column joints under reversed-cyclic loading. The proposed model provides a simple representation of the primary inelastic mechanisms that determine joint behavior: Failure of the joint core under shear loading and anchorage failure of beam and column longitudinal reinforcement embedded in the joint. The model is implemented as a four-node 12-degree-of-freedom element that is appropriate for use with typical hysteretic beam-column line elements in two-dimensional nonlinear analysis of reinforced concrete structures. Constitutive relationships are developed to define the load-deformation response of the joint model on the basis of material, geometric, and design parameters. Comparison of simulated and observed response for a series of joint subassemblages with different design details indicates that the proposed model is appropriate for use in simulating response under earthquake loading.
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Published In
Journal of Structural Engineering
Volume 129 • Issue 12 • December 2003
Pages: 1686 - 1697
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Oct 30, 2001
Accepted: Sep 20, 2002
Published online: Nov 14, 2003
Published in print: Dec 2003
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