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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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Figueiredo, Stefan Chaves
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2022Design and analyses of printable strain hardening cementitious composites with optimized particle size distributioncitations
- 2021Freeze-thaw resistance and air-void analysis of concrete with recycled glass-pozzolan using X-ray micro-tomographycitations
- 2021Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cyclescitations
- 2021Assessment of freeze-thaw resistance of cement based concrete with ground glass – pozzolan through X-ray microtomography
- 2020Improving printability of limestone-calcined clay-based cementitious materials by using viscosity-modifying admixturecitations
- 2020Mechanical Behavior of Printed Strain Hardening Cementitious Compositescitations
- 2020Fundamental investigation on the frost resistance of mortar with microencapsulated phase change materialscitations
- 20193D Concrete Printing for Structural Applications
- 2019On The Role Of Soft Inclusions On The Fracture Behaviour Of Cement Pastecitations
- 2019Effect of viscosity modifier admixture on Portland cement paste hydration and microstructurecitations
- 2019Limestone and Calcined Clay-Based Sustainable Cementitious Materials for 3D Concrete Printingcitations
- 2019Frost Damage Progression Studied Through X-Ray tomography In Mortar With Phase Change Materials
- 2019The Effect of Viscosity-Modifying Admixture on the Extrudability of Limestone and Calcined Clay-Based Cementitious Material for Extrusion-Based 3D Concrete Printingcitations
- 2019An approach to develop printable strain hardening cementitious compositescitations
- 2019Numerical investigation of crack self-sealing in cement-based composites with superabsorbent polymerscitations
- 2018Mechanical properties of ductile cementitious composites incorporating microencapsulated phase change materialscitations
- 2018Piezoresistive properties of cementitious composites reinforced by PVA fibrescitations
- 2018Durability of fibre reinforced cementitious composites
- 2018Modelling strategies for the study of crack self-sealing in mortar with superabsorbent polymers
- 2017Development of ductile cementitious composites incorporating microencapsulated phase change materialscitations
- 2017Experimentally validated multi-scale modelling scheme of deformation and fracture of cement pastecitations
- 2016Induction healing of concrete reinforced by bitumen-coated steel fibrescitations
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article
Limestone and Calcined Clay-Based Sustainable Cementitious Materials for 3D Concrete Printing
Abstract
The goal of this study is to investigate the effects of different grades of calcined clay on the extrudability and early-age strength development under ambient conditions. Four mix designs were proposed. Three of them contained high, medium, and low grades of calcined clay, respectively, and one was the reference without calcined clay. In terms of extrudability, an extrusion test method based on the ram extruder was introduced to observe the quality of extruded material filaments, and to determine the extrusion pressure of tested materials at different ages. For evaluating the very early-age strength development, the penetration resistance test, the green strength test, and the ultrasonic pulse velocity test were applied. Furthermore, the mechanical properties of the developed mix designs were determined by the compressive strength test at 1, 7 and 28 days. Finally, the main finding of this study was that increasing the metakaolin content in calcined clay could significantly increase the extrusion pressures and green strength, shorten the initial setting time and enhance the compressive strength at 1, 7, and 28 days.