Bridge damage diagnosis method based on axle coupling system
A vehicle-bridge coupling and diagnostic method technology, which is applied in the direction of elastic testing, machine/structural component testing, instruments, etc., can solve problems restricting the application of indirect measurement methods, etc., to avoid bridge accidents, easy to operate, and improve The effect of safety early warning ability
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[0034] The present invention provides a bridge damage diagnosis method based on the vehicle-bridge coupling system, which includes the following specific steps: a. Two detection vehicles depart from different positions of the bridge and pass through the bridge in the direction of 1# abutment, and the signal acquisition subsystem synchronously collects each The vertical acceleration response in the process of passing the bridge for the first time; b. The two detection vehicles depart from different positions of the bridge and pass the bridge in the direction of the 0# abutment, and the signal acquisition subsystem synchronously collects the vertical acceleration of the vehicle in the process of passing the bridge each time Response; c. Use the vertical acceleration response of the trolley measured in step a and step b, and perform quadratic integration processing on the time t respectively to obtain the approximate vertical displacement response of the corresponding trolley; d. U...
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