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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.19 No.2
- 발행연도
- 2017.1
- 수록면
- 137 - 149 (13page)
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초록· 키워드
오류제보하기
Under the interference of the temperature effect, the alternation of cable force due to damages of a cable-stayed bridge could be difficult to distinguish. Considering the convenience and applicability in engineering practice, simple air or cable temperature measurements are adopted in the current study for the exclusion of temperature effect from the variation of cable force. Using the data collected from Ai-Lan Bridge located in central Taiwan, this work applies the ensemble empirical mode decomposition to process the time histories of cable force, air temperature, and cable temperature. It is evidently observed that the cable force and both types of temperature can all be categorized as the daily variation, long-term variation, and high-frequency noise in the order of decreasing weight. Moreover, the correlation analysis conducted for the decomposed variations of all these three quantities undoubtedly indicates that the daily and long-term variations with different time shifts have to be distinguished for accurately evaluating the temperature effect on the variation of cable force. Finally, consistent results in reducing the range of cable force variation after the elimination of temperature effect confirm the validity and stability of the developed method.
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참고문헌 (39)
참고문헌 신청
Bagherzadeh, S. A. / 2015 / A local and online sifting process for the empirical mode decomposition and its application in aircraft damage detection / Mech. Syst. Signal. Pr 54:68~83
Cao, Y. H. / 2011 / Temperature effects on cable stayed bridge using health monitoring system : a case study / Struct. Health Monit 10(5):523~537
Chang, C. C. / 2010 / Nonlinear identification of lumped-mass buildings using empirical mode decomposition and incomplete measurement / J. Eng. Mech. -ASCE 136(3):273~281
Chen, C. C. / 2012 / Effects of temperature variation on cable forces of an extradosed bridge / Proceedings of the 6th European Workshop on Structural Health Monitoring
Chen, C. C. / 2010 / Effects of environmental variability on stay cable frequencies / Proceedings of the 2nd International Symposium on Life-Cycle Civil Engineering
Cao, Y. H. / 2011 / Temperature effects on cable stayed bridge using health monitoring system : a case study / Struct. Health Monit 10(5):523~537
Chang, C. C. / 2010 / Nonlinear identification of lumped-mass buildings using empirical mode decomposition and incomplete measurement / J. Eng. Mech. -ASCE 136(3):273~281
Chen, C. C. / 2012 / Effects of temperature variation on cable forces of an extradosed bridge / Proceedings of the 6th European Workshop on Structural Health Monitoring
Chen, C. C. / 2010 / Effects of environmental variability on stay cable frequencies / Proceedings of the 2nd International Symposium on Life-Cycle Civil Engineering
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