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.
초록· 키워드
오류제보하기
A vibration-based damage-monitoring scheme is proposed that would generate an alarm showing the occurrence and location of damage under temperature-induced uncertainty conditions. Experiments on a model plate-girder bridge are described, for which a set of model parameters was measured under uncertain temperature conditions. A damage-alarming model is formulated to statistically identify the occurrence of damage by recognizing the patterns of damage-driven changes in the natural frequencies of the test structure and by distinguishing temperature-induced off-limits. A damage index method based on the concept of modal strain energy is implemented in the test structure to predict the location of damage. In order to adjust for the temperature-induced changes in the natural frequencies that are used for damage detection, a set of empirical frequency correction formulas is analyzed from the relationship between the temperature and frequency ratio.
목차
ABSTRACT
1. 서론
2. 대상구조물과 진동모드실험
3. 통계적 손상경보
4. 진동기반 손상예측
5. 요약 및 결론
후기
참고문헌
참고문헌 (16)
참고문헌 신청
류정선 , 1987 , 랜덤파랑하중에 대한 Guyed Tower의 동적거동해석 , 한국해양공학회지 1 (1) : 57 ~ 64
김정태 , 2003 , 강판형의 진동모드특성에 미치는 온도의 영향 , 한국해양공학회지 17 (6) : 58 ~ 64
Cornwell,P. , 1999 , Environmental Variability of Modal Properties , Experimental Techniques 23 (6) : 45 ~ 48
Farrar,C.R. , 2000 , Structural Health Monitoring Studies of the Alamosa Canyon and I-40 Bridges
Kim,J.T. , 2005 , Vibration-based Structural Health Monitoring under Uncertain Temperature Conditions , Safety and Reliability of Engineering Systems and Structures (ICOSSAR 2005) : 2921 ~ 2928
김정태 , 2003 , 강판형의 진동모드특성에 미치는 온도의 영향 , 한국해양공학회지 17 (6) : 58 ~ 64
Cornwell,P. , 1999 , Environmental Variability of Modal Properties , Experimental Techniques 23 (6) : 45 ~ 48
Farrar,C.R. , 2000 , Structural Health Monitoring Studies of the Alamosa Canyon and I-40 Bridges
Kim,J.T. , 2005 , Vibration-based Structural Health Monitoring under Uncertain Temperature Conditions , Safety and Reliability of Engineering Systems and Structures (ICOSSAR 2005) : 2921 ~ 2928
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Temperature Effects on Frequency-Based Damage Detection in Plate-Girder Bridges
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에너지 원리를 이용한 손상 추정
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손상된 구조물의 고유진동수 추정 ( Estimation of Natural Frequencies in Damaged Structures )
대한건축학회 학술발표대회 논문집 - 구조계
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Identification of damage using natural frequencies and system moments
Structural engineering and mechanics : An international journal
1999 .01
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An Experimental Study on Damage Detection of Structures Using a Timber Beam
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2007 .06
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가속도-임피던스 특성을 이용한 강판형교의 하이브리드 구조건전성 모니터링
대한토목학회논문집 A
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A study of dynamic responses of incorporating damaged materials and structures
Structural engineering and mechanics : An international journal
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A model for damage analysis of concrete
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진동신호기반 손상검색기법과 온도변화의 영향
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석탑문화재 손상 유형 및 영향 요인에 따른 손상도 평가
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Damage Detection in High-Rise Buildings Using Damage-Induced Rotations
비파괴검사학회지
2014 .12
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Structural damage detection using a damage probability index based on frequency response function and strain energy concept
Structural engineering and mechanics : An international journal
2018 .01
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Results and implications of the damage index method applied to a multi-span continuous segmental prestressed concrete bridge
Structural engineering and mechanics : An international journal
2000 .01
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Iterative damage index method for structural health monitoring
Structural monitoring and maintenance
2014 .01
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A new damage index for detecting sudden change of structural stiffness
Structural engineering and mechanics : An international journal
2007 .01
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UCI(KEPA) : I410-ECN-0101-2009-559-016414807