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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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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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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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Juenger, Maria
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Topics
Publications (8/8 displayed)
- 2023Methods of incorporation of new reaction products in thermodynamic databases of cementitious systemscitations
- 2022Hydration and mixture design of calcined clay blended cements: review by the RILEM TC 282-CCL
- 2021Clay calcination technology: state-of-the-art review by the RILEM TC 282-CCL
- 2019Long-term Oil Well Zonal Isolation Control Using Geopolymers: An Analysis of Shrinkage Behaviorcitations
- 2018Reactivity tests for supplementary cementitious materials RILEM TC 267-TRM phase 1citations
- 2018Reactivity tests for supplementary cementitious materials: RILEM TC 267-TRM phase 1citations
- 2015Physical Characterization Methods for Supplementary Cementitious Materials.citations
- 2015Determination of Particle Size, Surface Area, and Shape of Supplementary Cementitious Materials by Using Different Techniquescitations
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document
Hydration and mixture design of calcined clay blended cements: review by the RILEM TC 282-CCL
Abstract
he RILEM technical committee 282-CCL: Calcined Clays as Supplementary Cementitious Materials, investigates all the aspects related to calcined clays, from clay exploration and characterization to calcination process, hydration reactions and concrete properties. This white paper focuses on the hydration mechanisms of calcined clay-blended Portland cements, covering both 1:1 and 2:1 calcined clays. The pozzolanic reaction of calcined clay is detailed, and the main reaction products are described. The differences observed depending on the clay type are also discussed, as well as the potential influence of the secondary phases present in calcined clay. The factors controlling and limiting the reaction of calcined clay are investigated, evidencing the role of porosity saturation and refinement of the microstructure. The complete characterisation of the hydration of calcined clay cements is made possible by the determination of the reaction degree of calcined clay. Several methods are compared to estimate the extent of calcined clay reaction. The influence of clinker and limestone mineralogy are also discussed. Finally, guidelines for optimising the mixture design of calcined clay blended cements are provided, with special attention to sulphate adjustment and clinker factor.