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A platform for research: civil engineering, architecture and urbanism
Repairing of seismically damaged RC exterior beam-column connection using CFRP
A simple method using a carbon fiber-reinforced polymer (CFRP) sheet for repairing concrete beam-column connection damaged by cyclic loading is presented. Cyclic loading was applied to the tip of the beam of two full-scale beam-column exterior connection specimens. The specimens' features were accorded with seismic details suggested by the current reinforced concrete (RC) codes. At the last step of loading which was more than maximum design load (about 1.1 times), specified by the mentioned codes, many cracks were observed in the specimens. Only the cracks of the first specimen were epoxy injected. The results indicated that epoxy injection was not effective in restoring full strength of the specimen. The load-carrying capacities in positive and negative moment regions of the first and second repaired specimens were increased by about 17% and 32%, respectively, compared to the original ones.
Repairing of seismically damaged RC exterior beam-column connection using CFRP
A simple method using a carbon fiber-reinforced polymer (CFRP) sheet for repairing concrete beam-column connection damaged by cyclic loading is presented. Cyclic loading was applied to the tip of the beam of two full-scale beam-column exterior connection specimens. The specimens' features were accorded with seismic details suggested by the current reinforced concrete (RC) codes. At the last step of loading which was more than maximum design load (about 1.1 times), specified by the mentioned codes, many cracks were observed in the specimens. Only the cracks of the first specimen were epoxy injected. The results indicated that epoxy injection was not effective in restoring full strength of the specimen. The load-carrying capacities in positive and negative moment regions of the first and second repaired specimens were increased by about 17% and 32%, respectively, compared to the original ones.
Repairing of seismically damaged RC exterior beam-column connection using CFRP
Vatani-Oskouei, Asghar (author)
Journal of Reinforced Plastics and Composites ; 29 ; 3257-3274
2010
18 Seiten, 28 Bilder, 3 Tabellen, 31 Quellen
Article (Journal)
English
Repairing of seismically damaged RC exterior beam-column connection using CFRP
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