Mössbauer, XRD, and Complex Thermal Analysis of the Hydration of Cement with Fly Ash

Table 7

Mössbauer parameters of the of cement PC1FA at different ages of hydration.

Time of hydration	𝛿1 (mm/s); (O1)	𝛿2 (mm/s); (O2)	𝛿3 (mm/s); (T)	Δ1 (mm/s); (O1)	Δ2 (mm/s); (O2)	Δ3 (mm/s); (T)	𝐼1 (%); (O1)	𝐼2 (%); (O2)	𝐼3 (%); (T)
1 d	0.24	0.30	—	1.32	1.80	—	45	55	—
5 d	0.25	0.31	0.31	1.43	1.82	0.49	32	44	24
14 d	0.25	0.31	0.31	1.39	1.82	0.47	30	42	28
20 d	0.25	0.29	0.31	1.37	1.80	0.47	29	41	30
28 d	0.25	0.29	0.32	1.35	1.83	0.44	29	38	33
48 d	0.25	0.29	0.33	1.35	1.81	0.45	28	37	35