A Study of Concrete Made with Fine and Coarse Aggregates Recycled from Fresh Concrete Waste

Table 2

Design of experiments and mixtures proportions.

	Mix1	Mix2	Mix3	Mix4	Mix5	Mix6	Mix7
RFA (%)	0	0	50	50	0	100	100
RCA (%)	0	50	0	50	100	0	100
Total of recycled aggregates (%)*	0	25	25	50	50	50	100
CEM II 32.5 R (kg/m^3)	385	385	385	385	385	385	385
NFA (kg/m^3)	627	627	314	314	618	—	—
RFA (kg/m^3)	—	—	314	314	—	856	823
RCA (kg/m^3)	—	574	—	574	1109	—	840
NCA (kg/m^3)	1147	574	1147	574	—	860	—
Water (L)	178	178	178	178	178	178	178
Water, corrected (L)	—	2.4	22.2	33.8	36.2	78.4	98.1
w/c	0.46	0.46	0.46	0.46	0.46	0.46	0.46
w/c, corrected	—	0.47	0.52	0.55	0.56	0.67	0.72

∗The total of recycled aggregates (%) is the percentage of the recycled aggregates with respect to the total masses of aggregates.