지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.23 No.6
- 발행연도
- 2019.1
- 수록면
- 683 - 693 (11page)
이용수
초록· 키워드
오류제보하기
In August 2012, during the passage of the typhoon Haikui (1211), large amplitude vibrations were observed on long hangers of the Xihoumen suspension Bridge, which destroyed a few viscoelastic dampers originally installed to connect a pair of hanger ropes transversely. The purpose of this study is to identify the cause of vibration and to develop countermeasures against vibration. Field measurements have been conducted in order to correlate the wind and vibration characteristics of hangers. Furthermore, a replica aeroelastic model of prototype hangers consisting of four parallel ropes was used to study the aeroelastic behavior of hanger ropes and to examine the effect of the rigid spacers on vibration mitigation. It is shown that the downstream hanger rope experiences the most violent elliptical vibration for certain wind direction, and the vibration is mainly attributed to wake interference of parallel hanger ropes. Based on wind tunnel tests and field validation, it is confirmed that four rigid spacers placed vertically at equal intervals are sufficient to suppress the wake-induced vibrations. Since the deployment of spacers on hangers, server hanger vibrations and clash of hanger ropes are never observed.
목차
등록된 정보가 없습니다.
참고문헌 (32)
참고문헌 신청
Bitsch, N. / 2010 / Fatigue monitoring system -Great Belt Bridge / Proceedings of Bridge Maintenance, Safety, Management and Life-Cycle Optimization :341~346
Blevins, R. D. / 1990 / Flow-Induced Vibrations / Van Nostrand Reinhold
Caetano, E. / 2007 / Cable Vibrations in Cable-Stayed Bridges / IABSE, SED 9 edition, International Association for Bridge and Structural Engineering
Z.Q. Chen / 2004 / MR damping system for mitigating wind-rain induced vibration on Dongting Lake Cable-Stayed Bridge / Wind and Structures, An International Journal 7(5):293~304
A. Cigada / 1997 / Vortex shedding and wake-induced vibrations in single and bundle cables / Journal of Wind Engineering and Industrial Aerodynamics 72:253~263
Blevins, R. D. / 1990 / Flow-Induced Vibrations / Van Nostrand Reinhold
Caetano, E. / 2007 / Cable Vibrations in Cable-Stayed Bridges / IABSE, SED 9 edition, International Association for Bridge and Structural Engineering
Z.Q. Chen / 2004 / MR damping system for mitigating wind-rain induced vibration on Dongting Lake Cable-Stayed Bridge / Wind and Structures, An International Journal 7(5):293~304
A. Cigada / 1997 / Vortex shedding and wake-induced vibrations in single and bundle cables / Journal of Wind Engineering and Industrial Aerodynamics 72:253~263
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