Shrinkage mitigation of metakaolin-based geopolymer activated by sodium silicate solution

• Published in: Cement and concrete research Vol. 162; p. 106993
• Main Authors: Trincal, Vincent, Multon, Stéphane, Benavent, Virginie, Lahalle, Hugo, Balsamo, Bastien, Caron, Amélie, Bucher, Raphaël, Diaz Caselles, Laura, Cyr, Martin
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.12.2022; Elsevier
• Subjects: Alkali-activated binder; Civil Engineering; Engineering Sciences; Geopolymer; Metakaolin; Shrinkage; Sodium silicate; Metakaolin; Sodium silicate; Geopolymer; Shrinkage; Alkali-activated binder; geopolymer; shrinkage

Geopolymers seem to be a good alternative to ordinary Portland cement to reduce the carbon footprint of the construction industry. However, their durability over time is still a subject of discussion. One of the major problems blocking their marketing is shrinkage, which can induce excessive crackin...