지진 재해도의 닫힌 근사식 제안에 관한 연구
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 2018.05
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서지정보
ㆍ발행기관 : 한국지진공학회
ㆍ수록지정보 : Jorunal of the Earthquake Engineering Society of Korea / 22권 / 4호
ㆍ저자명 : 곽신영, 함대기
목차
A B S T R A C T
1. 서 론
2. 지진 재해도 근사식 제안
2.1 기존 재해도 근사식의 문제점
2.2 로그-로그 선형 근사식
2.3 로그-로그 곡선 근사식
2.4 로그-로그 고차 다항 근사식
3. 재해도 근사식이 연간파괴확률에 미치는 영향
3.1 연간파괴확률 (APF) 산정
3.2 적용 예제 1 :플랫폼 구조물
3.3 적용 예제 2 :원자력 발전소 SPSA
4. 결 론
REFERENCES
영어 초록
In this paper, we address some issues in existing seismic hazard closed-form equations and present a novel seismic hazard equation form to overcome these issues. The presented equation form is based on higher-order polynomials, which can well describe the seismic hazard information with relatively high non-linearity. The accuracy of the proposed form is illustrated not only in the seismic hazard data itself but also in estimating the annual probability of failure (APF) of the structural systems. For this purpose, the information on seismic hazard is used in representative areas of the United States (West : Los Angeles, Central : Memphis and Kansas, East : Charleston). Examples regarding the APF estimation are the analyses of existing platform structure and nuclear power plant problems. As a result of the numerical example analyses, it is confirmed that the higher-order-polynomial-based hazard form presented in this paper could predict the APF values of the two example structure systems as well as the given seismic hazard data relatively accurately compared with the existing closed-form hazard equations. Therefore, in the future, it is expected that we can derive a new improved APF function by combining the proposed hazard formula with the existing fragility equation.
참고 자료
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