Detail publikace

The Impact-Echo Method is Being Used as a Tool to Evaluate Degree of Degradation in Civil Engineering

ŠTEFKOVÁ, D. TOPOLÁŘ, L.

Originální název

The Impact-Echo Method is Being Used as a Tool to Evaluate Degree of Degradation in Civil Engineering

Anglický název

The Impact-Echo Method is Being Used as a Tool to Evaluate Degree of Degradation in Civil Engineering

Jazyk

en

Originální abstrakt

This paper reports the results of measurements by Impact-echo method on two applications in civil engineering. The results are obtained in the laboratory during the hardening process in quasi-brittle materials such as alkali-activated slag mortars and the degradation of composite materials based on cement by high-temperature (in the temperatures range from 200°C to 1200°C). The results of non-destructive testing of such samples by acoustic methods confirmed the differences in the structure of mortar specimens. A significant decrease of the absorbed frequencies was observed depending on the temperature. A shift of the dominant frequency to a lower value is a key indication of the presence of the flaw.

Anglický abstrakt

This paper reports the results of measurements by Impact-echo method on two applications in civil engineering. The results are obtained in the laboratory during the hardening process in quasi-brittle materials such as alkali-activated slag mortars and the degradation of composite materials based on cement by high-temperature (in the temperatures range from 200°C to 1200°C). The results of non-destructive testing of such samples by acoustic methods confirmed the differences in the structure of mortar specimens. A significant decrease of the absorbed frequencies was observed depending on the temperature. A shift of the dominant frequency to a lower value is a key indication of the presence of the flaw.

Dokumenty

BibTex 


@inproceedings{BUT121731,
  author="Daniela {Kysilková} and Libor {Topolář}",
  title="The Impact-Echo Method is Being Used as a Tool to Evaluate Degree of Degradation in Civil Engineering",
  annote="This paper reports the results of measurements by Impact-echo method on two applications in civil engineering. The results are obtained in the laboratory during the hardening process in quasi-brittle materials such as alkali-activated slag mortars and the degradation of composite materials based on cement by high-temperature (in the temperatures range from 200°C to 1200°C). The results of non-destructive testing of such samples by acoustic methods confirmed the differences in the structure of mortar specimens. A significant decrease of the absorbed frequencies was observed depending on the temperature. A shift of the dominant frequency to a lower value is a key indication of the presence of the flaw.",
  address="Vysoké učení technické v Brně se spolupráci s Českou společností pro NDT",
  booktitle="NDT for Safety / Defektoskopie 2015",
  chapter="121731",
  howpublished="print",
  institution="Vysoké učení technické v Brně se spolupráci s Českou společností pro NDT",
  year="2015",
  month="november",
  pages="125--132",
  publisher="Vysoké učení technické v Brně se spolupráci s Českou společností pro NDT",
  type="conference paper"
}