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Inicio  /  Buildings  /  Vol: 12 Par: 11 (2022)  /  Artículo
ARTÍCULO
TITULO

Seismic Response of GFRP-RC Interior Beam-to-Column Joints under Cyclic Static Loads

Rui Guo    
Dan Yang    
Bin Jia and Deyun Tang    

Resumen

A total of nine specimens were constructed and tested under cyclic loads to investigate the differences in seismic behavior between glass fiber-reinforced polymer (GFRP)-reinforced concrete (RC) joints and RC beam-to-column joints. The experimental parameters included stirrup ratios, axial pressure ratios and concrete strength of the beam-to-column joints. The cyclic loading test results showed that the GFRP-RC beam-to-column joints can withstand significantly high lateral deformations without exhibiting brittle failure. Moreover, the RC beam-to-column joint exhibited significantly higher energy dissipation and residual displacement than the GFRP-RC beam-to-column joint by 50% and 60%, respectively. Finally, a shear capacity calculation method for the core zone of this kind of joint was proposed, which agreed well with the experimental results.

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