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  • Thermal imaging control of the quality of concrete structures reinforced with composite materials

    The possibility of revealing the main defects that arise when strengthening reinforced concrete structures by external reinforcement systems based on carbon fibers is considered. The efficiency of active and passive methods of thermography is compared, and the possibility of using the passive method at negative ambient temperatures is considered. Under laboratory conditions, ferroconcrete samples with defects in the form of air bubbles and glue were made and a comparison of the mapping of these defects on thermograms was made.

    Keywords: composite materials, reinforcement, external reinforcement systems, infrared thermography, defect, work quality assessment, technical condition assessment, span structures, bridge supports