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Figure 7
Specimen Ca/Si ratios of in situ XRD experiments. The calculations assume Ca/Si = 1.7 for C-(A)-S-H from Portland cement hydration and Ca/Si = 1.3 for additionally formed C-(A)-S-H (100–200 min), then Ca/Si = 1.3 alongside near-complete portlandite consumption (200–300 min), and eventually Ca/Si = 1.1 (300–600 min).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 55| Part 1| February 2022| Pages 133-143
https://doi.org/10.1107/S1600576721012668
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