| 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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Schutter, Geert De
Ghent University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2024Acoustic signatures of hydration and microcracking in early-age concretecitations
- 2023Assessment of pore structure characteristics and tortuosity of 3D printed concrete using mercury intrusion porosimetry and X-ray tomographycitations
- 2023Future perspectives for alkali-activated materials: from existing standards to structural applicationscitations
- 2023Recent progress and technical challenges in using calcium sulfoaluminate (CSA) cementcitations
- 2023Evaluation of copper slag and stainless steel slag as replacements for blast furnace slag in binary and ternary alkali-activated cementscitations
- 2023Geometric Conformability of 3D Concrete Printing Mixtures from a Rheological Perspectivecitations
- 2023Characterisation of alkali-activated stainless steel slag and blast-furnace slag cementscitations
- 2023Magneto-rheology control of cement paste containing Fe3O4 nanoparticles in view of reducing or preventing formwork leakagecitations
- 2023Active rheology control of cementitious materials with responsive mineral particles
- 2023Application of active rheology control to 3D printing of cementitious materialscitations
- 2023The sensitivity of Acoustic Emission (AE) for monitoring the effect of SAPs in fresh concrete
- 2022Shrinkage and settlement assessment of fresh concrete using Digital Image Correlation (DIC) and Acoustic Emission (AE)
- 2022Properties and testing of printed cement-based materials in hardened statecitations
- 2022Printable Cement-Based Materials: Fresh Properties Measurements and Controlcitations
- 2022Stiffening controllable concrete modified with redispersible polymer powder for twin-pipe printingcitations
- 2022Transport properties of 3D printed cementitious materials with prolonged time gap between successive layerscitations
- 2022Adhesive properties of fresh cementitious materials as measured by the tack test
- 2022Using limestone powder as a carrier for the accelerator in extrusion-based 3D concrete printingcitations
- 2021Possibilities of fly ash as responsive additive in magneto-rheology control of cementitious materialscitations
- 2021Quantitative assessment of the influence of external magnetic field on clustering of nano-Fe3O4 particles in cementitious pastecitations
- 2021Active stiffening control by magnetically induced blocking in confined flow of fly ash pastescitations
- 2020Structural Build-Up of Cementitious Paste Under External Magnetic Fieldscitations
- 2019Microstructural characterization of 3D printed cementitious materialscitations
- 2019Stiffening control of printable cement paste with flash setting admixture
- 2019Full-Field Settlement Measurement at Fresh Cementitious Material by Digital Image Correlation
- 2019Influence of nano-clay on rheology, fresh properties of hydration and strength of cement-based mortarscitations
- 2018Proceedings of the Symposium on Concrete Modelling
- 2016Chloride interaction with concretes subjected to a permanent splitting tensile stress level of 65%citations
- 2008X-ray computed microtomography on cementitious materials
Places of action
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article
Possibilities of fly ash as responsive additive in magneto-rheology control of cementitious materials
Abstract
<p>Active rheology control, by means of pre-adding responsive additives and applying a trigger signal, is a potential approach to meet the contradicting requirements of concrete properties in different casting processes. In the present study, the possibilities of fly ash as responsive additive in magneto-rheology control of cementitious materials are examined from the viewpoint of early structural build-up of cement paste. Four different fly ashes with various particle sizes and magnetic properties are utilized. The magnetic properties of fly ash, characterized by saturation magnetization and magnetic fraction, are determined. Results reveal that the cement pastes containing fly ash exhibit apparent rheological response to an external magnetic field. The degree of the response depends on the magnetic properties and physical characteristics of the incorporated fly ash. Under the same volumetric replacement, the saturation magnetization of original fly ash is a useful parameter to describe the magneto-rheological effect of fly ash incorporated cement pastes. In comparison with the magneto-rheological response of cement paste with nano-Fe<sub>3</sub>O<sub>4</sub> particles, the fly ash incorporated cement paste shows a longer period of dominating liquid-like properties. It is concluded that fly ash can be used as a responsive additive to improve the rheology of cement paste by applying magnetic field. © 2021 The Author(s).</p>