지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.28 No.3
- 발행연도
- 2021.9
- 수록면
- 363 - 373 (11page)
이용수
초록· 키워드
오류제보하기
The modal parameters identified under operation conditions are normally employed for bridge damage detection. However, the moving vehicles are usually deemed as part of the operation conditions without considering their mass property. Thus, the identified modal parameters belong to the vehicle-bridge system rather than the bridge itself, which would affect the effectiveness of subsequent damage detection. In this paper, the effects of moving vehicles on the identified frequencies and mode shapes under operation conditions are investigated via finite element model. The necessary of considering the moving vehicle effects is demonstrated by comparing the modal parameters variations induced by the moving vehicle and bridge damage. Then the empirical formulas to eliminate the moving vehicle effects considering the vehicle mass, velocity, bridge span and relative position are established by using the orthogonal test and least square method. Finally, examples are conducted to verify of the effectiveness of the proposed empirical formulas.
목차
등록된 정보가 없습니다.
참고문헌 (27)
참고문헌 신청
Askegaard, V. / 1988 / Long term observation of RC-bridge using changes in natural frequency / Publication of Nordic Concrete Federation
E. Peter Carden / 2004 / Vibration Based Condition Monitoring: A Review / Structural Health Monitoring 3(4):355~377
K.C. Chang / 2014 / Variability in bridge frequency induced by a parked vehicle / Smart Structures and Systems, An International Journal 13(5):755~773
Ge-Wei Chen / 2020 / Modal parameter identification of a multiple-span post-tensioned concrete bridge using hybrid vibration testing data / Engineering Structures 219:110953
Daniel Cantero / 2017 / Numerical Evaluation of Modal Properties Change of Railway Bridges during Train Passage / Procedia Engineering 199:2931~2936
E. Peter Carden / 2004 / Vibration Based Condition Monitoring: A Review / Structural Health Monitoring 3(4):355~377
K.C. Chang / 2014 / Variability in bridge frequency induced by a parked vehicle / Smart Structures and Systems, An International Journal 13(5):755~773
Ge-Wei Chen / 2020 / Modal parameter identification of a multiple-span post-tensioned concrete bridge using hybrid vibration testing data / Engineering Structures 219:110953
Daniel Cantero / 2017 / Numerical Evaluation of Modal Properties Change of Railway Bridges during Train Passage / Procedia Engineering 199:2931~2936
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