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Monitoring of the Damage Evolution in Concrete Slabs by means of Nonlinear Elastic Wave Spectroscopy
Hettler, Jan ; Kober, Jan ; Převorovský, Zdeněk
This paper deals with the damage assessment in concrete samples using the harmonic analysis of the sample response on well defined ultrasonic excitation. The amplitude dependent spectral ganges of the probing ultrasonic sinals were measured during the bending loading of the tested samples. Results shown that the analysis of amplitude dependent spectral ganges is a promising method for the damage assessment in concrete.

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3 Hettler, Jakub
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