APPLICATION OF THE FREQUENCY INSPECTION METHOD TO LIGHTWEIGHT CONCRETE SPECIMEN TESTING

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F09%3APU83327" target="_blank" >RIV/00216305:26110/09:PU83327 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

APPLICATION OF THE FREQUENCY INSPECTION METHOD TO LIGHTWEIGHT CONCRETE SPECIMEN TESTING

Popis výsledku v původním jazyce

Current research and development of non-destructive frequency-inspection method show these methods to be very promising for material testing and defectoscopy in the near future. This method is based on the physics of elastic stress wave propagation in bodies. An exciting impulse, being realized, for example, by a mechanical impact on the specimen surface, gives rise to low-frequency stress waves to propagate within the structure and reflect on cracks and the specimen surface. The specimen response to the exciting impulse is picked up on the surface by means of a sensor and transmitted to a computer for frequency analysis. The predominant frequencies may be associated with multiple reflections within the structure, carrying information on the structureintegrity and defect localization. The paper presents some results of our experimental study of the application potential of the frequency-inspection method. Our experiments focused on the testing of lightweight concrete specimen.

Název v anglickém jazyce

APPLICATION OF THE FREQUENCY INSPECTION METHOD TO LIGHTWEIGHT CONCRETE SPECIMEN TESTING

Popis výsledku anglicky

Current research and development of non-destructive frequency-inspection method show these methods to be very promising for material testing and defectoscopy in the near future. This method is based on the physics of elastic stress wave propagation in bodies. An exciting impulse, being realized, for example, by a mechanical impact on the specimen surface, gives rise to low-frequency stress waves to propagate within the structure and reflect on cracks and the specimen surface. The specimen response to the exciting impulse is picked up on the surface by means of a sensor and transmitted to a computer for frequency analysis. The predominant frequencies may be associated with multiple reflections within the structure, carrying information on the structureintegrity and defect localization. The paper presents some results of our experimental study of the application potential of the frequency-inspection method. Our experiments focused on the testing of lightweight concrete specimen.

Druh

D - Stať ve sborníku

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2009

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

XIIth INTERNATIONAL SCIENTIFIC CONFERENCE

ISBN

978-80-7204-629-4

ISSN

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e-ISSN

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Počet stran výsledku

4

Strana od-do

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Název nakladatele

CERM

Místo vydání

Brno

Místo konání akce

Brno

Datum konání akce

20. 4. 2009

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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