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The paper establishes a sensitivity based damage detection method to use PSD.
To achieve this goal, a simulation based damage detection method is used that incorporates the Concrete Damaged Plasticity model.
The results obtained from a number of different damage scenarios confirm the feasibility of the proposed vibration based damage detection method for three dimensional asymmetric buildings.
Then a FEM updating based damage detection method is proposed by using measured frequencies of the vehicle-bridge system with the vehicle parked at different locations.
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Among the numerous vibration based damage detection methods, some are using dynamically measured flexibility matrix to detect and locate damage in the structure.
In spite of much recent research and some successful applications of vibration based damage detection methods to civil structures in recent years, the applications to asymmetric buildings has been a challenging task for structural engineers.
The investigations in damage detection methods based on vibration response are reviewed according to two categories, i.e. model-based damage detection method (MBDDM) and non-model-based damage detection method (NMBDDM).
Comparison of the normalized AMV and the other correlation-function-based damage detection method shows the normalized AMV has a better detectability.
Several examples of the stiffness reduction detection of a 12-story shear frame structure are utilized to validate the results in sensitivity analysis, illustrate the effectiveness and anti-noise ability of the AMV-based damage detection method and compare the effect of the response type on the detectability of the normalized AMV.
The experimental results were used to detect damage (changes in connection stiffness) using a recently proposed FRF-based damage detection method.
The multi-type response covariance sensitivity-based damage detection method is first introduced.
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