철골 보통모멘트골조의 내진성능 향상을 위한 강도기반 설계 절차 제안
(주)코리아스칼라
- 최초 등록일
- 2024.01.29
- 최종 저작일
- 2024.01
- 10페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국지진공학회
ㆍ수록지정보 : Jorunal of the Earthquake Engineering Society of Korea / 28권 / 1호
ㆍ저자명 : 김태오, 한상환
목차
1. 서 론
2. 내진설계 및 비선형 수치해석모델
2.1 대상 건물 선정 및 내진설계
2.2 비선형 수치해석모델
3. 대상 골조의 비선형 응답 및 붕괴 메커니즘
4. 철골 보통모멘트골조의 내진성능 향상을 위한강도기반 설계 절차
4.1 대상 건물의 성능 향상을 위한 강도기반 설계 절차 제안
4.2 제안된 설계 절차의 내진성능 개선 효과 검증
5. 결 론
영어 초록
The ductility of the system based on the capacity of each structural member constituting the seismic force-resisting system is a significant factor determining the structure’s seismic performance. This study aims to provide a procedure to supplement the current seismic design criteria to secure the system’s ductility and improve the seismic performance of the steel ordinary moment frames. For the study, a nonlinear analysis was performed on the 9- and 15-story model buildings, and the formation of collapse mechanisms and damage distribution for dynamic loads were analyzed. As a result of analyzing the nonlinear response and damage distribution of the steel ordinary moment frame, local collapse due to the concentration of structural damage was observed in the case where the influence of the higher mode was dominant. In this study, a procedure to improve the seismic performance and avoid inferior dynamic response was proposed by limiting the strength ratio of the column. The proposed procedure effectively improved the seismic performance of steel ordinary moment frames by reducing the probability of local collapse.
참고 자료
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