Advertisement
Published in:
2020 | OriginalPaper | Chapter
Hydration of Tricalcium Silicate Blended with Calcined Clay
Authors : Shiju Joseph, Ahmed Khalifa, Özlem Cizer
Published in: Calcined Clays for Sustainable Concrete
Publisher: Springer Singapore
Activate our intelligent search to find suitable subject content or patents.
Select sections of text to find matching patents with Artificial Intelligence. powered by
Select sections of text to find additional relevant content using AI-assisted search. powered by
Abstract
Hydration of triclinic tricalcium silicate (C3S) blended with three different natural clays was investigated in this work. Pure C3S, C3S blended with metakaolin and fine quartz was used as references. Blends were made with 1:2 ratio of calcined clay/quartz and C3S. A water-to-solid ratio of 2/3 was used. The samples were cured at 20 °C for 7 days of hydration. The total heat release was measured using isothermal calorimetry, and the degree of hydration of C3S was determined using XRD/Rietveld analysis and portlandite content using TGA analyzed by tangent method. The results show that there is a higher heat release with higher kaolinitic content. The degree of hydration of C3S in blends with calcined clay was found to be lower after 7 days of hydration compared to the reference systems.