Laboratory study of metakaolin and microsilica effect on the performance of high-strength concrete containing Forta fibers

Advances in Bridge Engineering

Table 3 Chemical compounds of cement, microsilica and metakaolin

Chemical compounds	Abbreviation	Cement %	microsilica %	metakaolin %
Silicon dioxide	SiO2	22.8	90	54.3
Aluminum oxide	Al2O3	5.7	1.2	38.3
iron oxide	Fe2O3	3.6	1.8	4.28
Calcium oxide	CaO	59.11	0.5	0.39
Magnesium oxide	MgO	2.38	0.6	0.08
Sodium oxide	Na2O	0.74	0.3	0.12
Potassium oxide	K2O	0.27	0.13	0.50
Sulfur trioxide	SO3	1.92	2.1	0.22