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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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Lucas, Sandra S.
Eindhoven University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 20243D printing lightweight mortars with cork to improve thermal efficiency in buildingscitations
- 20243D printing lightweight mortars with cork to improve thermal efficiency in buildingscitations
- 2024Combined analytical and numerical modelling of the electrical conductivity of 3D printed carbon nanotube-cementitious nanocompositescitations
- 20243D printable one-part alkali-activated mortar derived from brick masonry wastescitations
- 2023Promoting the use of Fe-rich slag in construction: Development of a hybrid binder for 3D printingcitations
- 20233D printing of an iron-rich slag based hybrid mortarcitations
- 2022Mechanical properties and self-sensing ability of graphene-mortar compositions with different water content for 3D printing applicationscitations
- 2021Juxtaposing fresh material characterisation methods for buildability assessment of 3D printable cementitious mortarscitations
- 2021Juxtaposing fresh material characterisation methods for buildability assessment of 3D printable cementitious mortarscitations
- 2013Latent heat storage in PCM containing mortars : study of microstructural modifications
Places of action
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article
3D printing lightweight mortars with cork to improve thermal efficiency in buildings
Abstract
3D printing lightweight aggregate concrete potentially allows building components with reduced thickness and lighter structures. However, the effect of lightweight additives in 3D printing compositions, particularly the use of cork, in the fresh and hardened properties of 3DP is still unknown. This study demonstrates that adding increasing amounts of cork (0%, 25%, 50%, 75%, and 100%) in place of fine sand enhances the insulation of printable mortars. Cork mortars positively reduced the required yield stress at the bottom layer in the fresh state due to lighter bulk densities. Attaining lower hardened densities (1363.0–1791.5 Kg/m3), printed mortars with high amounts of cork (50, 67, and 100%) showed fair values of thermal conductivity ranging between 0.40 and 0.96 W/mk, for a value of 1.42 W/mk of the reference. Cork composites presented sufficient mechanical strength, with a compressive strength between 21.1 MPa at 100% cork and 51.1 MPa at 17% cork compared to 58.3 MPa of reference mortar. Printing did not considerably affect strength development or thermal conductivity in printed mortars. The latest showed isotropic behavior in all test directions, while mild anisotropy was found for compressive and tensile strength. Micro and macrostructure analysis revealed that printing reduces macropores in the sample's core relative to the compaction of lightweight aggregate mortars. When applied on a large scale, these composites can bring printed constructions closer to meeting thermal comfort standards with reduced self-weight.