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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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Yuan, Yong
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2023Extending 3D concrete printing to hard rock tunnel linings : adhesion of fresh cementitious materials for different surface inclinationscitations
- 2022Mechanical and microstructural properties of 3D printable concrete in the context of the twin-pipe pumping strategycitations
- 2022Stiffening controllable concrete modified with redispersible polymer powder for twin-pipe printingcitations
- 2022Stiffening controllable concrete modified with redispersible polymer powder for twin-pipe printingcitations
- 2022Using limestone powder as a carrier for the accelerator in extrusion-based 3D concrete printingcitations
- 2020Effect of limestone powder substitution on fresh and hardened properties of 3D printable mortarcitations
- 2019Stiffening control of printable cement paste with flash setting admixture
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document
Stiffening control of printable cement paste with flash setting admixture
Abstract
Printable cement paste should be easy to convey in pipelines and well set in a short period of time after extrusion. Mixing flash setting admixture into cement paste at the printer mozzle is a potential way to achieve this goal. The mixed in flash setting admixture can speed up the hydration process, leading to a faster stiffening of the printed cement paste. In this study, several batches of cement paste with flash setting admixture dosages of 0 %, 2 % and 4 % of the cement weight were prepared. Then, based on a predefined cement paste, the influence of different dosages of flash setting admixture on the rheological properties (e.g. storage modulus, yield stress) was explored. The evolution of yield stress and storage modulus in function of time is given to evaluate the structure development of all cement pastes. The results give some preliminary insight in the effect of flash setting admixture on the accelerated stiffening of the printable cement paste.