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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Topolář, Libor
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Publications (7/7 displayed)
- 2021Blastfurnace Hybrid Cement with Waste Water Glass Activator: Alkali-Silica Reaction Studycitations
- 2021Effect of Hammer Type on Generated Mechanical Signals in Impact-Echo Testingcitations
- 2021Advanced Evaluation of the Freeze–Thaw Damage of Concrete Based on the Fracture Testscitations
- 2019Experimental Analysis of the Development of Elastic Properties and Strength under Different Ambient Temperature During the Hardening of Concretecitations
- 2018Fracture properties of concrete specimens made from alkali activated binders.citations
- 2017The use of the acoustic emission method for the monitoring of changes in the internal structure of polymer-cement mortars when testing the static compressive modulus of elasticity ; Využití metody akustické emise pro monitorování změn vnitřní struktury polymer-cementových malt během zkoušky statického modulu pružnosti v tlaku
- 2017The Acoustic Emission Parameters Obtained during Three-point Bending Test on Thermal-stressed Concrete Specimenscitations
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conferencepaper
The Acoustic Emission Parameters Obtained during Three-point Bending Test on Thermal-stressed Concrete Specimens
Abstract
Fire response of concrete structural members depends on thermal, mechanical, and deformation properties of concrete. These properties vary significantly with temperature and also depend on the composition and characteristics of the concrete batch mix as well as heating rate and other environmental conditions. Concrete structures could be exposed to extreme temperature conditions. Examples of such conditions are concrete foundations for launching rockets carrying spaceships, concrete structures in nuclear power stations or those accidentally exposed to fire, for instance in the case of tunnel fires. This paper analyses acoustic emission signals captured during three-point bending test on thermal-stressed concrete specimens. The method of acoustic emission is an experimental tool suitable for monitoring the failure processes in materials. The typical parameters of acoustic emission signal were identified during the acoustic emission records for different concrete specimens to further describe the under-the-stress behaviour and failure development. The amount of crack growth was continuously monitored using four acoustic emission sensorsmounted on the specimens.