Damage Assessment of Bridge Structures by System Identification

by Chung-Bang Yun, Korea Advanced Inst of Science and, Technology, Republic of Korea,
Won Jong Kim, Korea Advanced Inst of Science and, Technology, Republic of Korea,
Alfredo H. -S. Ang, Korea Advanced Inst of Science and, Technology, Republic of Korea,



Document Type: Proceeding Paper

Part of: Structural Safety and Reliability

Abstract:

A method for the damage estimation of bridge structures under seismic ground excitation is developed based on system identification approach. The dynamic behavior of a damaged structure is represented by a nonlinear hysteresis model. Estimation of the nonlinear structural parameters is carried out by the extended Kalman filter.



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