Prediction of the Compressive Strength of Concrete Admixed with Metakaolin Using Gene Expression Programming

Table 1

Chemical composition of metakaolin (%).

Compound	MgO	Al2O3	SiO2	SO3	K2O	CaO	TiO2	Mn2O3	Fe2O3	ZnO	LOI
% oxide composition	0.28	38.63	58.79	0.19	0.59	0.08	0.11	0.05	1.26	0.01	1.34