Durability of Recycled Concrete after Reinforcing the Aggregates with Permeable Crystalline Materials

Table 5

Depth of carbonation of recycled aggregate concrete.

Aggregate type	Recycled aggregate substitution rate (%)	Carbonation depth (mm)
		7 days	14 days	28 days
NA	0	2.45	5.21	11.25
RA10	50	8.12	13.23	20.50
RA10	100	9.32	16.12	23.56
CRA10	50	6.36	11.35	18.64
CRA10	100	7.55	12.52	20.14
RA20	50	5.12	10.34	19.31
RA20	100	7.16	12.15	21.26
CRA20	50	4.22	7.53	14.54
CRA20	100	5.14	8.58	17.47
RA30	50	4.56	8.41	17.53
RA30	100	6.36	10.51	19.58
CRA30	50	3.49	7.23	13.36
CRA30	100	5.36	8.12	16.13