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ŠTEFKOVÁ, D. TOPOLÁŘ, L.
Original Title
The Impact-Echo Method is Being Used as a Tool to Evaluate Degree of Degradation in Civil Engineering
Type
conference paper
Language
English
Original Abstract
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.
Keywords
High–temperature, impact, mortar, specimens, frequencies
Authors
ŠTEFKOVÁ, D.; TOPOLÁŘ, L.
RIV year
2015
Released
3. 11. 2015
Publisher
Vysoké učení technické v Brně se spolupráci s Českou společností pro NDT
Location
Praha
ISBN
978-80-214-5280-0
Book
NDT for Safety / Defektoskopie 2015
Edition number
1
Pages from
125
Pages to
132
Pages count
7
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", booktitle="NDT for Safety / Defektoskopie 2015", year="2015", number="1", pages="125--132", publisher="Vysoké učení technické v Brně se spolupráci s Českou společností pro NDT", address="Praha", isbn="978-80-214-5280-0" }