Seismic Rehabilitation of Beam-Column Joints Using FRP Sheets and Buckling Restrained Braces

Hee Cheul Kim; Dae Jin Kim; Min Sook Kim; Young Hak Lee

doi:10.4028/www.scientific.net/AMM.479-480.1170

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 479-480Seismic Rehabilitation of Beam-Column Joints Using...

Seismic Rehabilitation of Beam-Column Joints Using FRP Sheets and Buckling Restrained Braces

Abstract:

The purpose of this study was to evaluate seismic performance of rehabilitated beam-column joint using FRP sheets and Buckling Restrained Braces (BRBs) and provide test data related to rehabilitated beam-column joints in reinforced concrete structures. The seismic performance of total six beam-column specimens is evaluated under cyclic loadings in terms of shear strength, effective stiffness, energy dissipation and ductility. The test results showed wrapping FRP sheets can contribute to increase the effect of confinement and the crack delay. Also retrofitting buckling restrained braces (BRBs) can improve the stiffness and energy dissipation capacity. Both FRP sheets and BRBs can effectively improve the strength, stiffness and ductility of seismically deficient beam-column joints.

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Periodical:

Applied Mechanics and Materials (Volumes 479-480)

Pages:

1170-1174

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.479-480.1170

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Online since:

December 2013

Authors:

Hee Cheul Kim, Dae Jin Kim, Min Sook Kim, Young Hak Lee

Keywords:

Beam-Column Joint, Braces, Energy Dissipation, FRP Sheet, Seismic Rehabilitation

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References

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