| 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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Lesage, Karel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Zone-based analysis of layer deformation in 3D concrete printing: shoulder, steady-state, and foot zones
- 2024Mechanical properties of 3D printable responsive cement mortar after magnetic intervention
- 2023Responsive superplasticizers for active rheology control of cementitious materialscitations
- 2023Novel concrete superplasticizers containing crown ether pendant side chains for improved cement paste workabilitycitations
- 2023Extending 3D concrete printing to hard rock tunnel linings : adhesion of fresh cementitious materials for different surface inclinationscitations
- 2023Geometric Conformability of 3D Concrete Printing Mixtures from a Rheological Perspectivecitations
- 2023Smart superplasticizers based on redox-responsive polymers for rheology control of cementitious materialscitations
- 2023Active rheology control of cementitious materials with responsive mineral particles
- 2023Application of active rheology control to 3D printing of cementitious materialscitations
- 2023Understanding the structural build-up rate of cementitious materials for 3D-printing
- 2023Geometric conformability of 3D concrete printing mixtures from a rheological perspectivecitations
- 2023Active Rheology Control of Cementitious Materials
- 2022Early age reaction, rheological properties and pore solution chemistry of NaOH-activated slag mixturescitations
- 2022Structural build-up rate evaluation of printable mortars with CSA cement substitutions
- 2022Mechanical and microstructural properties of 3D printable concrete in the context of the twin-pipe pumping strategycitations
- 2022Mix design insights for printable mortars based on structural build-up rate requirements
- 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
- 2021Enhancing thixotropy and structural build-up of alkali-activated slag/fly ash pastes with nano claycitations
- 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
- 2020Effect of limestone powder substitution on fresh and hardened properties of 3D printable mortarcitations
- 2020Structural Build-Up of Cementitious Paste Under External Magnetic Fieldscitations
- 2019Stiffening control of printable cement paste with flash setting admixture
- 2019Structure-property relationships for polycarboxylate ether superplasticizers by means of RAFT polymerizationcitations
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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>