Numerical investigation of precast reinforced concrete beam–to–column joints by replaceable damper

Abstract

This study aimed to investigate the precast reinforced concrete beam-to-column joints behaviors through the replaceable damper under cyclic loading. The precast concrete specimens have been embedded with steel reinforcement and specially shaped connectors. After the application of the replaceable damper under cyclic loading, the energy dissipation part has acted very well and increased the bearing capacity of precast specimens. The precast concrete beam–to–column joints were designed and analyzed to compare with the reinforced concrete (RC) specimen. The analysis result of the loading based on the controlled displacement method has illustrated that the precast specimen model with damper has shown a greater hysteric behavior than the RC frame. the PS-1 is passed the 2.8% chord rotation approximately, which showed better performance, and higher resistance than the RC specimen. The efficiency of the PS–1 specimen with a special connection has been elaborated with the finite element method (FEM) and simulated by ABAQUS software.

Keywords

• Precast Concrete
• Beam-to–Column steel joint
• Replaceable damper
• Numerical simulation
• Finite Element Method

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