The fly ash from Seyitömer power plant and slaked lime are used in this study. The particle-size distribution of the fly ash sample is given in Fig. 1. The graph shows that particle size of the sample is below 800 lm and 0/212 lm fraction makes up 76.06% of the ash. The material was also subjected to chemical analysis for determining its composition and the results are tabulated in Table 1.