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  • Identification of concrete properties in beam type structures with defects based on dynamic methods

    The task of identifying the properties of concrete and the location of damage in the layout structures of the beam type based on the application of experimental vibration analysis is considered. As a simple analysis model, beam constructions are defect-free and with defects. Based on the experimental approach, the model oscillations with shock and vibration excitation are analyzed. Based on analytical modeling, the dynamic modulus of elasticity, the speed of sound in the beam, the location of the defect are calculated. A technique and an example of determining the location of a defect in beam-type structures is presented. The article was published as part of the implementation of the program of the International Forum "Victorious May 1945"

    Keywords: vibration diagnostics, identification, beam type construction, defect, experimental approach, analytical modeling, vibration excitation