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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.27 No.1
- 발행연도
- 2021.1
- 수록면
- 29 - 39 (11page)
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초록· 키워드
오류제보하기
This study aimed to develop a method for the determination of the damaged story in reinforced concrete (RC) structure with ambient vibrations, based on modified jerk energy methodology. The damage was taken as a localized reduction in the stiffness of the structural member. For loading, random white noise excitation was used, and dynamic responses from the finite element model (FEM) of 4 story RC shear frame were extracted at nodal points. The data thus obtained from the structure was used in the damage detection and localization algorithm. In the structure, two damage configurations have been introduced. In the first configuration, damage to the structure was artificially caused by a local reduction in the modulus of elasticity. In the second configuration, the damage was caused, using the Elcentro1940 and Kashmir2005 earthquakes in real-time history. The damage was successfully detected if the frequency drop was greater than 5% and the mode shape correlation remained less than 0.8. The results of the damage were also compared to the performance criteria developed in the Seismostruct software. It is demonstrated that the proposed algorithm has effectively detected the existence of the damage and can locate the damaged story for multiple damage scenarios in the RC structure.
목차
등록된 정보가 없습니다.
참고문헌 (43)
참고문헌 신청
Mohammed Abdulkarem / 2020 / Wireless sensor network for structural health monitoring: A contemporary review of technologies, challenges, and future direction / Structural Health Monitoring 19(3):693~735
Allemang, R. J. / 1982 / A correlation coefficient for modal vector analysis / Proceedings of the 1st International Modal Analysis Conference
Alokita, S. / 2019 / Structural Health Monitoring of Biocomposites, Fibre-reinforced Composites and Hybrid Composites / Elsevier
Yonghui An / 2015 / Real-time fast damage detection of shear structures with random base excitation / Measurement 74:92~102
Brincker, R. / 2015 / Introduction to Operational Modal Analysis / John Wiley & Sons
Allemang, R. J. / 1982 / A correlation coefficient for modal vector analysis / Proceedings of the 1st International Modal Analysis Conference
Alokita, S. / 2019 / Structural Health Monitoring of Biocomposites, Fibre-reinforced Composites and Hybrid Composites / Elsevier
Yonghui An / 2015 / Real-time fast damage detection of shear structures with random base excitation / Measurement 74:92~102
Brincker, R. / 2015 / Introduction to Operational Modal Analysis / John Wiley & Sons
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