Non-destructive testing of thermally degraded concrete with usage of different coarse aggregate and comparison with mineralogic changes in microstructure

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F18%3APU127901" target="_blank" >RIV/00216305:26110/18:PU127901 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Non-destructive testing of thermally degraded concrete with usage of different coarse aggregate and comparison with mineralogic changes in microstructure
Original language description
In the field of civil engineering a diagnostics acoustic non-destructive testing is widely used and in the past years finds application even in testing of high-temperature degraded concrete structures. This article is focused on nondestructive testing by Impact-Echo method, ultrasonic velocity pulse method and destructive testing of hightemperature degraded concrete test beams of dimensions 100 x 100 x 400 mm fired at 200 – 1200 °C. Three different concrete mixtures different in used fraction of coarse aggregate from quarry Olbramovice were tested. Measured changes of physical-mechanical properties are supplemented by X-ray diffraction analysis of reference and fired sets to document changes in mineralogic composition in tested material. These measurements conducted under the basic research aims to better understand the changes in thermally degraded concrete and to clarify the changes in NDT measurements with actual mineralogic changes observed by X-ray diffraction analysis.
Czech name
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Czech description
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Project
<a href="/en/project/GA16-02261S" target="_blank" >GA16-02261S: The use of acoustic methods for non-destructive testing of high-temperature-degraded concrete</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
10th International Scientific Conference on Civil and Enviromental Engineering
ISBN
978-80-553-2952-9
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
1-8
Publisher name
Technical University of Košice, Faculty of Civil Engineering
Place of publication
Tatranská Lomnica
Event location
Tatranská Lomnica
Event date
Apr 26, 2018
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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