Articles | Volume 58
https://doi.org/10.5194/adgeo-58-149-2023
https://doi.org/10.5194/adgeo-58-149-2023
27 Jan 2023
 | 27 Jan 2023

Metakaolin-based geopolymers for stone conservation: preliminary results on alkaline activation

Sophie van Roosmale, Tim De Kock, and Johan Blom

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Latest update: 15 Apr 2024
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Short summary
Metakaolin-based geopolymers with a Ca(OH)2 activator are investigated in the context of stone-built heritage conservation. The results of the reactivity tests are compared to the results of geopolymers with more well-known activators like NaOH and KOH. Subsequently, the physico-mechemical properties of the geopolymer with Ca(OH)2 is also investigated, in combination with standardized aggregates of marl powder, limestone powder and quartz sand.