Recycled Aggregate Concrete including Various Contents of Metakaolin: Mechanical Behavior

Table 1

Chemical analysis of OPC and MK.

Material	SiO2	Al2O3	Fe2O3	CaO	MgO	SO3	Na2O	K2O	Na2Oeq
CEM I	20.88	4.98	2.96	65.7	0.76	2.82	0.28	0.44	0.50
MK	57.6	30.1	6.6	1.0	0.98	—	—	0.58	—