Carbon Footprint of Recycled Aggregate Concrete

Table 4

CO₂-e emissions.

Mixture		Fc	Cement	Aggregates	Others	Partial	Total
w/c	%R
0.5	0	32.5	305.5	44.6	0.61	45.2	350.7
0.5	25	31.6	305.5	43.9	0.55	44.4	349.9
0.5	50	30.8	305.5	43.1	0.49	43.6	349.0
0.5	75	29.8	305.5	42.3	0.44	42.7	348.2
0.5	100	29.8	305.5	41.6	0.38	42.0	347.4
0.7	0	23.7	218.3	45.8	0.63	46.4	264.7
0.7	25	23.1	218.3	45.0	0.57	45.6	263.9
0.7	50	22.5	218.3	44.2	0.51	44.7	263.0
0.7	75	21.0	218.3	43.5	0.46	44.0	262.2
0.7	100	19.0	218.3	42.7	0.41	43.1	261.4

Others: water, casting, and placement of concrete, and use of explosive agents in blasting works.