Page 325 - Handbook of Thermal Analysis of Construction Materials

302 Chapter 8 - Supplementary Cementing Materials

Figure 5. Conduction calorimetry of C S containing finely divided SiO .
2
3

Table 3. Calcium Hydroxide Content in C S Pastes in the Presence of SiO
3 2

Sample Calcium Hydroxide (%),
at Different Times (Hrs)
3 7 24

Tricalcium Silicate 1.2 2.4 10.0
Tricalcium Silicate + 0.0% SiO 2 1.2 3.2 10.4
Tricalcium Silicate + 0.5% SiO 2 1.6 2.8 11.2
Tricalcium Silicate + 1.0% SiO 2.4 5.6 12.4
2
Tricalcium Silicate + 5.0% SiO 2.4 6.4 12.8
2
Tricalcium Silicate + 10% SiO 4.0 7.6 16.6
2