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http://dx.doi.org/10.4334/JKCI.2006.18.6.729

Seismic Retrofit of RC Exterior Beam-Column Joints Strengthened with CFRP  

Kim, Min (Dept. of Architectural Engineering, Sejong University)
Lee, Ki-Hak (Dept. of Architectural Engineering, Sejong University)
Lee, Jae-Hong (Dept. of Architectural Engineering, Sejong University)
Woo, Sung-Woo (Hanwha Engineering & Const. Corp.)
Lee, Jung-Weon (Samsung Heavy Industries Co., Ltd.)
Publication Information
Journal of the Korea Concrete Institute / v.18, no.6, 2006 , pp. 729-736 More about this Journal
Abstract
It has been shown that many Reinforced Concrete(RC) structures designed without seismic details have experienced brittle shear failures in the beam-column joint area and resulted in large permanent deformations and structural collapse. In this study, experimental investigations into the performance of exterior reinforced concrete beam-column joints strengthened with the carbon fiber-reinforced polymer(CFRP) under cyclic loading were presented. The CFRP has been applied by choosing different combinations and locations to determine the effective way to improve structural performances of joints. Eight beam-column joints were tested to investigate behaviors of each specimen under cyclic load and to compare performances of seismic retrofit. According to the experimental study, the retrofit strengthened with the CFRP provides significant improvements of flexural capacity and ductility of beam-column joints originally built without seismic details.
Keywords
beam-column joint; carbon fiber-reinforced polymer(CFRP); cyclic load; flexural capacity and ductility; seismic detail;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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