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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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Topics
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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article
Blastfurnace Hybrid Cement with Waste Water Glass Activator: Alkali-Silica Reaction Study
Abstract
Hybrid systems represent a new sustainable type of cement combining the properties of ordinary Portland cement and alkali-activated materials. In this study, a hybrid system based on blast furnace slag and Portland clinker was investigated. The economic aspects and appropriate waste management resulted in the usage of technological waste from water glass production (WG-waste) as an alkaline activator. Although the Portland clinker content was very low, the incorporation of this by-product significantly improved the mechanical properties. Nevertheless, the high amount of alkalis in combination with possible reactive aggregates raises concerns about the risk of alkali–silica reaction (ASR). The results obtained from expansion measurement, the uranyl acetate fluorescence method, and microstructure characterization revealed that the undesirable effects of alkali–silica reaction in mortars based on the hydration of hybrid cement are minimal.