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

Table 5

Mössbauer parameters of the of cement PC1 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)
0 h	0.22	0.27	—	1.24	1.65	—	46	54	—
1 d	0.23	0.29	—	1.38	1.82	—	42	58	—
5 d	0.23	0.29	—	1.46	1.84	—	39	61	—
14 d	0.24	0.29	0.24	1.42	1.81	0.38	40	32	28
28 d	0.26	0.30	0.26	1.35	1.81	0.37	27	37	36
48 d	0.28	0.30	0.28	1.36	1.84	0.44	30	33	37