콘크리트 충전강관으로 보강된 RC기둥의 내진성능 실험A Experimental Investigation on Seismic Performance of RC Column Retrofitted with Concrete-Filled Steel Tube
- Other Titles
- A Experimental Investigation on Seismic Performance of RC Column Retrofitted with Concrete-Filled Steel Tube
- Authors
- 이병한; 박성봉; 신승훈; 이진우; 윤정배
- Issue Date
- Dec-2020
- Publisher
- 대한건축학회지회연합회
- Keywords
- FT Retrofit; Lateral Behavior; Cyclic Test; Nonlinear Fiber Analysis; Seismic Performance; CFT보강; 횡력거동; 반복실험; 비선형파이버해석; 내진성능
- Citation
- 대한건축학회연합논문집, v.22, no.6, pp 55 - 63
- Pages
- 9
- Indexed
- KCI
- Journal Title
- 대한건축학회연합논문집
- Volume
- 22
- Number
- 6
- Start Page
- 55
- End Page
- 63
- URI
- https://scholarworks.gnu.ac.kr/handle/sw.gnu/73201
- ISSN
- 1229-5752
- Abstract
- 본 연구는 콘크리트 충전 강관으로 보강한 외부 RC기둥의 내진 성능을 조사하였다. 실험을 통하여 반복 횡하중을 받는 보강기둥의 거동을 평가하였다. 시험결과로부터 내진성능에 대한 강도, 연성, 에너지 소산 및 등가 점성 감쇠비를 결정하여 평가하였다. 섬유 모형에 의한 해석을 사용하고, 실험으로부터 얻은 성능결과와 비교하므로써 내진성능예측에 대한 적용성을 검증하였다. 그 결과 하중-변위곡선의 예측은 테스트 결과와 상당히 유사한 것으로 나타났다.
This study investigated the seismic performance of external RC columns with concrete-filled steel tubes. Through the experiment, the behavior of strengthened column subjected to cyclic lateral load was evaluated. From the test results. the strength, ductility, energy dissipation and equivalent viscous damping ratio for seismic performance were determined and evaluated. The applicability to seismic performance prediction was verified by using the fiber model analysis and comparing it with the performance results from the experiment. As a result, the prediction of load-displacement curves were found to be quite similar to the test results.
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