Taiheiyo Cement Quality Predictive System (TQPS®)
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Applying TQPS® to Cement Quality Prediction
Below we give an example of a case in which TQPS® has been applied to the prediction of cement quality.
Figures 1 and 2 show the prediction examples gained through this study for each objective variable. In both figures, prediction was carried out by selecting the two factors that had the greatest impact on the objective variables.
Figure 1 confirmed that increasing the amount of belite and decreasing the amount of free lime raised the 28-day material age strength of cement. These results match our existing knowledge.
The results of Figure 2 showed that decreasing the amount of alite and decreasing the specific surface area reduced the heat of hydration for cement at 7-day material age. This is also in line with what was already known.
Figure 1 confirmed that increasing the amount of belite and decreasing the amount of free lime raised the 28-day material age strength of cement. These results match our existing knowledge.
The results of Figure 2 showed that decreasing the amount of alite and decreasing the specific surface area reduced the heat of hydration for cement at 7-day material age. This is also in line with what was already known.
