| People | Locations | Statistics |
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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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Bodnarova, Lenka
Brno University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2021The Effect of the Composition of a Concrete Mixture on Its Volume Changescitations
- 2020Abrasive Wear Resistance of Concrete in Connection with the Use of Crushed and Mined Aggregate, Active and Non-Active Mineral Additives, and the Use of Fibers in Concretecitations
- 2020Effect of type of aggregate on abrasion resistance of concrete
- 2019Effect of Inorganic SiO2 Nanofibers in High Strength Cementitious Compositescitations
- 2019Erosion Test with High-speed Water Jet Applied on Surface of Concrete Treated with Solution of Modified Lithium Silicatescitations
- 2018Effect of Inorganic SiO2 Nanofibers in High Strength Cementitious Composites
- 2018Study On The Resistance Of High-Performance Concrete To The Selected Chemically Aggressive Environments
- 2018The Effect Of The Addition Of Multi-Walled Carbon Nanotubes On The Properties Of Cementitious Composites
- 2017Impact-Echo Method Used to Testing of High Temperature Degraded Concrete Composite of Portland Cement CEM I 42.5 R and Gravel Aggregate 8/16
- 2017Non-Destructive Testing of High Temperature Degraded Concrete Composite of Portland Cement CEM I 42.5 R and Gravel Aggregate 11/22 by Transverse Wavescitations
- 2016Reduction of concrete´s shrinkage by controlled formation of monosulphate and trisulphate
- 2016Effect of thickness of the intumescent alkali aluminosilicate coating on temperature distribution in reinforced concretecitations
- 2016POSSIBILITIES OF DETERMINATION OF OPTIMAL DOSAGE OF POWER PLANT FLY ASH FOR CONCRETEcitations
- 2015CHANGES OF CONCRETE CHEMICAL COMPOSITION DUE TO THERMAL LOADING DETECTED BY DTA ANALYSIS
- 2015Development of High-Volume High Temperature Fly Ash Concretecitations
Places of action
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document
Reduction of concrete´s shrinkage by controlled formation of monosulphate and trisulphate
Abstract
Concrete’s volumetric changes are natural process caused by silicate minerals’ hydration. These changes can lead to cracking and subsequent destruction of cementitious material’s matrix. In most cases, cracks can be assessed as a negative effect of hydration and in all cases they lead to acceleration of degradation processes. Preventing the formation of these cracks is therefore the main effort. Mono- and trisulfate’s controlled formation in cementitious composite can be classified as a self-healing ability. Its crystal’s growth acts directly against the shrinking tension – this reduces the risk of cracks development. Controlled formation means that these crystals start to grow in the fresh state of material (e.g. concrete) but stops right before it could cause any damage to the hardened material. Waste materials with suitable chemical composition are very attractive precursors because of their added value in the form of landscape pollution’s reduction and, of course, low cost. In this experiment, the possibilities of using the fly ash from fluidized bed combustion as a mono- and trisulfate’s formation additive were investigated. The experiment itself was conducted on cement paste and concrete and specimens were subjected to a thorough analysis of physico-mechanical properties as well as microstructure from the moment of mixing up to 180 days.