Long-Term Properties of Cement-Based Composites Incorporating Natural Zeolite as a Feature of Progressive Building Material

Table 2

The recipes of concrete mixtures. Components proportion was calculated for 1 m³ of fresh concrete.

Mixture	OPC	NZ		SF		NFA-0/4	NCA-4/8	NCA-8/16	PCE
	[kg⋅m^−3]	[kg⋅m^−3]	[%]	[kg⋅m^−3]	[%]	[kg⋅m^−3]	[kg⋅m^−3]	[kg⋅m^−3]	[kg⋅m^−3]	[—]
V0	360	—	—	—	—	825	235	740	0.8	0.45
VZ1	330	29	8	—	—	825	235	740	0.8	0.45
VZ2	313	47	13	—	—	825	235	740	0.8	0.45
VZ3	270	90	25	—	—	825	235	740	0.8	0.45
VZ-SF	302	29	8	29	8	825	235	740	0.8	0.45

Using the k-value = 2 for silica fume in accordance with EN 206.