Civil Engineering Reference
In-Depth Information
Figure 24.
Thermal analysis curves of 4CaO•Al
2
O
3
•Fe
2
O
3
hydrated to different periods
.
Table 4.
Estimation of Hexagonal and Cubic Phases by TG Technique
Sample Preparation
Amounts of Phases (%)
Temperature (
o
C)
W/S
Hexagonal
Cubic
0.3
23
14.5
53.3
0.4
23
15.2
61.2
0.5
23
9.2
71.9
1.0
23
13.4
79.7
0.4
80
9.8
74.7
1.0
80
8.2
71.5
0.13
23
13.2
38.5
0.13
80
2.8
52.8
0.08
23
8.7
17.2
0.08
80
4.0
28.5
