Early Hydration Characteristics and Kinetics Model of Ordinary Portland Cement-Calcium Sulfoaluminate Cement Composites.

In the P area, as the CSA content increases (P-00 → P-10 → P-20), the intensity of the characteristic peak for AFt at 1111 cm −1 shows an increasing trend, while the absorption peak of ye’elimite at 616 cm −1 does not significantly weaken.

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