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Szukana fraza: [Abstrakt = "The aim of the article is to analyze the applicability of infrared thermography as a diagnostic tool to support the inspections of the structure and equipment elements of bridges. Infrared thermography consists of recording the power of electromagnetic radiation emitted by the surface of a given body. Thanks to the IR camera, the energy of the infrared radiation is converted into an electrical signal whose value depends on the temperature of the object. The starting point is the assumption that the distribution of temperature anomalies, recorded by IR camera, may be associated with located under the surface hidden defects. This article briefly outlines the basic physical laws applicable to radiation thermometry, the characteristics of two types of IR cameras, and the most commonly used research techniques. In\-situ and laboratory tests were performed to document the use of this NDT tool in bridge diagnostics."]

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