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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.15 No.2
- 발행연도
- 2015.1
- 수록면
- 425 - 445 (21page)
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초록· 키워드
오류제보하기
Parametric identification of structures is one of the important aspects of structural health monitoring. Most of the techniques available in the literature have been proved to be effective for structures with small degree of freedoms. However, the problem becomes challenging when the structure system is large, such as bridge structures. Therefore, it is highly desirable to develop parametric identification methods that are applicable to complex structures. In this paper, the LSE based techniques will be combined with the substructure approach for identifying the parameters of a cable-stayed bridge with large degree of freedoms. Numerical analysis has been carried out for substructures extracted from the 2-dimentional (2D) finite element model of a cable-stayed bridge. Only vertical white noise excitations are applied to the structure, and two different cases are considered where the structural damping is not included or included. Simulation results demonstrate that the proposed approach is capable of identifying the structural parameters with high accuracy without measurement noises.
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참고문헌 (17)
참고문헌 신청
Bernal, D. / 2004 / Special section : Phase I of the IASC-ASCE structural health monitoring benchmark / J. Eng. Mech. -ASCE 130(1):1~127
Caravani, P. / 1977 / Recursive least-squares time domain identification of structural parameters / J. Appl. Mech. -T ASME 44(1):135~140
Dong, S / 2010 / Extreme load identification and early warning research of cable-stayed bridge based on monitoring data
Koh, C. G. / 2003 / Substructural and progressive structural identification methods / Eng. Struct 25(12):1551~1563
Koh, C. G. / 1991 / Estimation of structural parameters in time domain : a substructure approach / Earthq. Eng. Struct. D 20(8):787~801
Caravani, P. / 1977 / Recursive least-squares time domain identification of structural parameters / J. Appl. Mech. -T ASME 44(1):135~140
Dong, S / 2010 / Extreme load identification and early warning research of cable-stayed bridge based on monitoring data
Koh, C. G. / 2003 / Substructural and progressive structural identification methods / Eng. Struct 25(12):1551~1563
Koh, C. G. / 1991 / Estimation of structural parameters in time domain : a substructure approach / Earthq. Eng. Struct. D 20(8):787~801
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