A reinforced concrete (RC) beam-column joint has been tested under reversed cyclic lateral and constant axial loading until inducing severe damage to the panel joint. The experimental specimen has no horizontal stirrups inside the joint, simulating the condition of many existing buildings. A 3D numerical model was developed to validate the experimental campaign. Then, various concrete constitutive models, widely used by several authors, were used as input for concrete damage plasticity. The modelling strategy was able to provide the maximum applied load, this being comparable to the experimental one, and to simulate similar hysteretic cycles.
Seismic Behaviour of Exterior Reinforced Concrete Beam-Column Joints: Experimental and Numerical Evaluation
Hofer L.;Zanini M. A.;Pellegrino C.;Faleschini F.
2023
Abstract
A reinforced concrete (RC) beam-column joint has been tested under reversed cyclic lateral and constant axial loading until inducing severe damage to the panel joint. The experimental specimen has no horizontal stirrups inside the joint, simulating the condition of many existing buildings. A 3D numerical model was developed to validate the experimental campaign. Then, various concrete constitutive models, widely used by several authors, were used as input for concrete damage plasticity. The modelling strategy was able to provide the maximum applied load, this being comparable to the experimental one, and to simulate similar hysteretic cycles.
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