세굴을 고려한 얕은 기초 교량의 동적거동 분석 및 지진 취약도 해석
(주)코리아스칼라
- 최초 등록일
- 2016.05.03
- 최종 저작일
- 2016.03
- 11페이지/ 어도비 PDF
- 가격 4,200원
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서지정보
ㆍ발행기관 : 한국지진공학회
ㆍ수록지정보 : Jorunal of the Earthquake Engineering Society of Korea / 20권 / 2호
ㆍ저자명 : 김나연, 송종걸
목차
1. 서 론
2. 교량 모델링 및 해석에 사용된 지진하중
3. 비선형 정적해석 및 비선형 동적해석
4. 교각 및 기초부의 지진취약도 해석
5. 결 론
/ 감사의 글 /
/ REFERENCES /
영어 초록
If scour is occurred at shallow foundation of bridge, seismic performance of the bridge will be reduced. In order to evaluate accurate seismic response of bridge according to scour depths, modeling of foundation reflecting scour effect is important. In this study, taking into account the effect of the reduction in embedment depth of the shallow foundation by scouring, the soil around the foundation is modelled as an equivalent soil spring with various stiffness. Seismic fragility analyses for 3 types of bridges subjected to 4 types of ground motions classified into Site Class A, B, C, D are evaluated according to several scour depths. From the fragility analysis results, it can be observed that the deeper the scour depth, the higher probability of exceeding damage states. Also, seismic failure probability of asymmetric bridge is higher than that of symmetric bridge.
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