Abstract
Structural damage diagnosis is a critical element for structural safety monitoring. This paper presents a new approach to diagnosing structural damage using high-resolution images by CCD camera. For minimum effort of instrumentation, this approach offers an unprecedentedly large amount of spatially intensive data to be used for diagnosis. A probabilistic data processing procedure is presented here for diagnosing structural condition. The proposed method is applied in the laboratory for a bridge model using a high resolution CCD camera for data acquisition. Results show that this method can clearly identify both the existence and the location of all the structural damages used. The smallest of them introduced a 3% loss to the structure's stiffness.
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