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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.26 No.5
- 발행연도
- 2020.1
- 수록면
- 667 - 680 (14page)
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초록· 키워드
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This study aims at reporting a systematic procedure for evaluating the static and dynamic structural performance of steel bridges based on a short-period structural health monitoring measurement. Sungsu bridge located in Korea is considered as a case study presenting the most recent tests carried out to examine the bridge condition. Short-period measurements of Structural Health Monitoring (SHM) system were used during the bridge testing phase. A novel symmetry index is introduced using statistical analyses of deflection and strain measurements. Frequency Domain Decomposition (FDD) is implemented to the strain measurements to estimate the bridge mode shapes and damping ratios. Furthermore, Markov Chain Monte Carlo (MCMC) is also implemented to examine the reliability of bridge performance while ambient design trucks are in static or moving at different speeds. Strain, displacement and acceleration were measured at selected locations on the bridge. The results show that the symmetry index can be an efficient and useful measure in assessing the steel bridge performance. The results from the used method reveal that the performance of the Sungsu bridge is safe under operational conditions.
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참고문헌 (39)
참고문헌 신청
Muntazir Abbas / 2018 / Structural Health Monitoring (SHM) and Determination of Surface Defects in Large Metallic Structures using Ultrasonic Guided Waves / Sensors 18(11):e3958
Mehmet Akköse / 2017 / Modal response identification of a highway bridge under traffic loads using frequency domain decomposition (FDD) / Challenge Journal of Structural Mechanics 3(2):63~71
Barker, M. / 1999 / Field testing and load rating procedures for steel girder bridges
James L. Beck / 2002 / Bayesian Updating of Structural Models and Reliability using Markov Chain Monte Carlo Simulation / Journal of Engineering Mechanics 128(4):380~391
Brincker, R. / 2000 / Modal identification from ambient responses using frequency domain decomposition / Proceedings of the Imac-Xviii: A Conference on Structural Dynamics
Mehmet Akköse / 2017 / Modal response identification of a highway bridge under traffic loads using frequency domain decomposition (FDD) / Challenge Journal of Structural Mechanics 3(2):63~71
Barker, M. / 1999 / Field testing and load rating procedures for steel girder bridges
James L. Beck / 2002 / Bayesian Updating of Structural Models and Reliability using Markov Chain Monte Carlo Simulation / Journal of Engineering Mechanics 128(4):380~391
Brincker, R. / 2000 / Modal identification from ambient responses using frequency domain decomposition / Proceedings of the Imac-Xviii: A Conference on Structural Dynamics
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