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Nondestructive methods for detection of hidden fatigue crack in the steel bridge element
Valach, Jaroslav ; Frýba, Ladislav ; Jandejsek, Ivan ; Lesák, Jaroslav ; Vála, Ondřej ; Urushadze, Shota
In this paper we discuss applicability and usability of three non-destructive methods for investigation of fatigue crack propagation in railway bridge structural elements subjected to the repetitive loading. These methods are: an optical method based on the digital image correlation, the active thermography method and the classical x-ray radiographic method.

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