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

Table 8

Mössbauer parameters of the of cement PC2FA at different ages of hydration.

Time of hydration	δ 1 (mm/s); (O1)	δ 2 (mm/s); (O2)	δ 3 (mm/s); (T)	Δ1 (mm/s); (O1)	Δ2 (mm/s); (O2)	Δ3 (mm/s); (T)	𝐼1 (%); (O1)	𝐼2 (%); (O2)	𝐼3 (%); (T)
1 d	0.26	0.31	—	1.41	1.86	—	41	59	—
5 d	0.25	0.29	0.29	1.41	1.85	0.55	34	43	23
22 d	0.25	0.29	0.29	1.38	1.83	0.52	31	38	31
28 d	0.24	0.29	0.29	1.40	1.83	0.63	29	34	37
48 d	0.29	0.32	0.35	1.46	1.98	0.71	26	31	42