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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 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.65 No.5
- 발행연도
- 2018.1
- 수록면
- 547 - 556 (10page)
이용수
초록· 키워드
오류제보하기
Based on the shaking table tests of a 1:3.52 scale one-bay and one-story ancient wooden structure, a simplified structural mechanics model was established, and the structural state equation and observation equation were deduced. Under the action of seismic waves, the damage rule of initial stiffness and yield stiffness of the joint was obtained. The force hammer percussion test and finite element calculations were carried out, and the structural response was obtained. Considering the 5% noise disturbance in the laboratory environment, the stiffness parameters of the mortise-tenon joint were identified by the partial least squares of singular value decomposition (PLS-SVD) and the Extended Kalman filter (EKF) method. The results show that dynamic and static cohesion method, PLS-SVD, and EKF method can be used to identify the damage degree of structures, and the stiffness of the mortise-tenon joints under strong earthquakes is reduced step by step. Using the proposed model, the identified error of the initial stiffness is about 0.58%-1.28%, and the error of the yield stiffness is about 0.44%-1.21%. This method has high accuracy and good applicability for identifying the initial stiffness and yield stiffness of the joints. The identification method and research results can provide a reference for monitoring and evaluating actual engineering structures.
목차
등록된 정보가 없습니다.
참고문헌 (27)
참고문헌 신청
Chen, Q.J. / 2014 / Damage identification of frame structure after earthquakes based on environmental vibration records / J. Hunan Univ. (Nat. Sci.) 41(9):20~26
Chopra, A.K. / 2007 / Dynamics of Structures: Theory and Applications to Earthquake Engineering, 3rd Edition / Pearson Prentice Hall
Farahani, R.V. / 2016 / Damage identification of a full-scale five-girder bridge using time-series analysis of vibration data / Eng. Struct. 115(5):129~139
Gao, D.F. / 2008 / Study on the Structure and Seismic Performance of Chinese Wooden Buildings / Science Press
He, H.X. / 2015 / Damage detection for continuous girder bridge based on static-dynamic condensation and ekf / Eng. Mech. 32(7):156~163
Chopra, A.K. / 2007 / Dynamics of Structures: Theory and Applications to Earthquake Engineering, 3rd Edition / Pearson Prentice Hall
Farahani, R.V. / 2016 / Damage identification of a full-scale five-girder bridge using time-series analysis of vibration data / Eng. Struct. 115(5):129~139
Gao, D.F. / 2008 / Study on the Structure and Seismic Performance of Chinese Wooden Buildings / Science Press
He, H.X. / 2015 / Damage detection for continuous girder bridge based on static-dynamic condensation and ekf / Eng. Mech. 32(7):156~163
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