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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 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.25 No.6
- 발행연도
- 2020.1
- 수록면
- 679 - 691 (13page)
이용수
초록· 키워드
오류제보하기
To identify the bridge information from the response of test vehicles passing on it (also known as the indirect approach) has aroused the interest of many researchers thanks to its economy, easy implementation and less disruption to traffic. The surface roughness of bridge remains an obstacle for such method as it contaminates the vehicle response severely and thereby renders many vehicle-response-based bridge identification methods ineffective. This study aims to eliminate such effect with the responses of two different test vehicles. The proposed method can estimate the surface profile of a bridge based on the acceleration data of the vehicles running on the bridge successively, and obtain the normalized contact point response, which proves to be relatively immune to surface roughness. The frequencies and mode shapes of bridge can be further extracted from the normalized contact point acceleration with spectral analysis and Hilbert transform. The effectiveness of the proposed method is verified numerically with a three-span continuous bridge. The influence of measurement noise is also examined.
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참고문헌 (35)
참고문헌 신청
Ahmet Can Altuni sik / 2012 / Seismic safety assessment of eynel highway steel bridge using ambient vibration measurements / Smart Structures and Systems, An International Journal 10(2):131~154
J.M.W. Brownjohn / 2001 / Civil structure condition assessment by FE model updating: / Finite Elements in Analysis and Design 37(10):761~775
J. Q. Bu / 2006 / Innovative Bridge Condition Assessment from Dynamic Response of a Passing Vehicle / Journal of Engineering Mechanics 132(12):1372~1379
A. Camara / 2014 / Serviceability limit state of vibrations in under-deck cable-stayed bridges accounting for vehicle-structure interaction / Engineering Structures 61:61~72
K. M. CAPTAIN / 1979 / Analytical Tire Models for Dynamic Vehicle Simulation / Vehicle System Dynamics 8(1):1~32
J.M.W. Brownjohn / 2001 / Civil structure condition assessment by FE model updating: / Finite Elements in Analysis and Design 37(10):761~775
J. Q. Bu / 2006 / Innovative Bridge Condition Assessment from Dynamic Response of a Passing Vehicle / Journal of Engineering Mechanics 132(12):1372~1379
A. Camara / 2014 / Serviceability limit state of vibrations in under-deck cable-stayed bridges accounting for vehicle-structure interaction / Engineering Structures 61:61~72
K. M. CAPTAIN / 1979 / Analytical Tire Models for Dynamic Vehicle Simulation / Vehicle System Dynamics 8(1):1~32
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