일정 및 변동 축력을 받는 철근콘크리트 기둥의 내진성능 평가
(주)코리아스칼라
- 최초 등록일
- 2024.01.29
- 최종 저작일
- 2024.01
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서지정보
ㆍ발행기관 : 한국지진공학회
ㆍ수록지정보 : Jorunal of the Earthquake Engineering Society of Korea / 28권 / 1호
ㆍ저자명 : 이도형
목차
1. 서 론
2. 실험계획 및 방법
2.1 실험계획
2.2 실험방법
3. 실험결과
3.1 손상상태
3.2 횡하중-변위 이력 응답
3.3 횡하중 강도
3.4 변위연성도
4. 결 론
영어 초록
This paper describes the seismic performance evaluation of reinforced concrete bridge columns under constant and varying axial forces. For this purpose, nine identical circular reinforced concrete columns were designed seismically by KIBSE (2021) and KCI (2021). A comparison of lateral forces with theoretical strength shows that the safety factor for columns under varying axial forces is less marginal than those under constant axial forces. In addition, columns under varying axial forces exhibit significant fluctuations in the hysteretic response due to continuously varying axial forces. This is particularly prominent when many varying axial force cycles within a specific lateral loading cycle increase. Moreover, the displacement ductility of columns under varying axial forces does not meet the code-specified required ductility in the range of varying axial forces. All varying axial forces affect columns' strength, stiffness, and displacement ductility. Therefore, axial force variation needs to be considered in the lateral strength evaluation of reinforced concrete bridge columns.
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