| Title |
Improvement and Evaluation of Seismic Performance of Reinforced Concrete Frames using Panel Zone Reinforced Frame |
| Authors |
하기주(Ha, Gee-Joo) ; 이동렬(Lee, Dong-Ryul) ; 강현욱(Kang, Hyun-Wook) ; 황상진(Hwang, Sang-Jin) |
| DOI |
https://doi.org/10.5659/JAIK.2020.36.11.265 |
| Keywords |
Reinforced Concrete Frame; Panel Zone Reinforced Frame; Frame Retrofitting Techniques; Seismic Performance |
| Abstract |
In this study, experimental research was carried out to improve and evaluate the seismic performance of reinforced concrete frame regions
using panel zone reinforced frames in existing reinforced concrete structure. It was constructed and tested three specimens retrofitting the
frame infilled and externally using retrofitting steel frame. Specimens, designed by retrofitting the frame of existing reinforced concrete
structure, were showed the stable failure mode and increase of load-carrying capacity due to the effect of crack control at the times of initial
loading and confinement of retrofitting materials during testing. Specimens SRF-ES, designed by the retrofitting of panel zone reinforced
frames in reinforced concrete frame were increased its maximum load carrying capacity by 2.53 times and its energy dissipation capacity by
2.54 times in comparison with standard specimen SRF for a displacement ductility of 7. |