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Nucleation seeding with calcium silicate hydrate – A review
Nucleation seeding with calcium silicate hydrate – A review
John, Elisabeth; Matschei, Thomas; Stephan, Dietmar
FG Baustoffe und Bauchemie
The development of green cements, with the aim of reducing CO2 emissions, often results in reduced hydration activity, especially during the first hours and days. Nucleation seeding with C-S-H has enormous potential to accelerate hydration, which can compensate for the above-mentioned effect without compromising the long-term strength of seeded cements. In this work, the effects of calcium silicate hydrate are reviewed in detail, with a focus on synthesis, as well as their influence on the hydration mechanism and the development of mechanical properties, such as early and long-term compressive strength and porosity.
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