Research Article

Effect of Metakaolin on Strength and Efflorescence Quantity of Cement-Based Composites

Table 4

Compressive strength and percent of relative compressive strength.

MixCompressive strength (MPa)Relative compressive strength (%)
1 day3 day7 day28 day1 day3 day7 day28 day

M012.6225.2028.6640.22100100100100
M514.3128.4632.9651.34113113115128
M1014.7830.5439.1853.46117121137133
M1515.0337.1644.3655.72119147155139
M2014.6828.3436.4650.02116112127124
M2511.7620.8826.8235.9693839489