Numerical Modeling of Reinforced Concrete (RC) Specimen to Simulate Bond-Slip Behavior Using ABAQUS
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Keywords:
Contact Cohesive Behavior, ABAQUS, Bond-Slip Behavior, Reinforced Concrete, FEAAbstract
This study presents a numerical modelling approach to investigate the bond-slip behavior of
reinforced concrete (RC) specimens using the finite element analysis software ABAQUS. The paper
outlines the modelling procedure and methodology employed to facilitate the analysis of the bond-slip
interaction between concrete and steel reinforcement. In this study, a 10 mm steel rebar is embedded in a
concrete block to simulate realistic reinforced concrete (RC) specimen behavior. Material properties for
concrete grade 30, including both tension and compression behaviors as well as plasticity parameters, are
carefully incorporated into the model to ensure a realistic simulation of material performance under load.
The modelling approach utilizes an axisymmetric representation to reduce computational complexity while
maintaining the accuracy necessary for reliable results. To accurately simulate bond-slip behavior, the
Contact Cohesive Behavior (CCB) method is used. This method enables a detailed representation of the
interaction between concrete and reinforcement, capturing the bond-slip mechanism that governs the
transfer of stresses between the two materials. By simulating bond failure and the corresponding slip at the
steel-concrete interface, this study provides insights into the effect of bond strength on overall structural
behavior. The finite element model accurately replicates real-life pull-out test conditions, providing
valuable data for predicting bond-slip behavior and improving the design of reinforced concrete structures.
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