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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.70 No.3
- 발행연도
- 2019.1
- 수록면
- 311 - 324 (14page)
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초록· 키워드
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Long-span steel suspension bridges develop significant vibrations under the effect of external time-variable loadings because their slenderness. This causes significant stresses variations that could induce fatigue problems in critical components of the bridge. The research outcome presented in this paper includes a fatigue analysis of a long suspension bridge with 3300 meters central suspended span under wind action and train transit. Special focus is made on the counterintuitive interaction effects between train and wind loads in terms of fatigue damage accumulation in the hanger ropes. In fact the coupling of the two actions is shown to have positive effects for some hangers in terms of damage accumulation. Fatigue damage is evaluated using a linear accumulation model (Palmgren-Miner rule), analyses are carried out in time domain by a three-dimensional non-linear finite element model of the bridge. Rational explanation regarding the above-mentioned counterintuitive behavior is given on the basis of the stress time histories obtained for pertinent hangers under the effects of wind and train as acting separately or simultaneously. The interaction between wind and train traffic loads can be critical for a some hanger ropes therefore interaction phenomena within loads should be considered in the design.
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참고문헌 (39)
참고문헌 신청
S. Arangio / 2011 / Structural integrity monitoring for dependability / Structure and Infrastructure Engineering 7(1-2):75~86
Barbato, M. / 2014 / Special issue on performance-based engineering / Eng. Struct 78:1~2
Brando, F. / 2012 / Consequence-based robustness assessment of bridge structures / Proceedings of the 6th International Conference on Bridge Maintenance
C.S. Cai / 2015 / A coupled wind-vehicle-bridge system and its applications: a review / Wind and Structures, An International Journal 20(2):117~142
Luigi Carassale / 2006 / Monte Carlo simulation of wind velocity fields on complex structures / Journal of Wind Engineering and Industrial Aerodynamics 94(5):323~339
Barbato, M. / 2014 / Special issue on performance-based engineering / Eng. Struct 78:1~2
Brando, F. / 2012 / Consequence-based robustness assessment of bridge structures / Proceedings of the 6th International Conference on Bridge Maintenance
C.S. Cai / 2015 / A coupled wind-vehicle-bridge system and its applications: a review / Wind and Structures, An International Journal 20(2):117~142
Luigi Carassale / 2006 / Monte Carlo simulation of wind velocity fields on complex structures / Journal of Wind Engineering and Industrial Aerodynamics 94(5):323~339
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