Durability and Shrinkage Characteristics of Self-Compacting Concretes Containing Recycled Coarse and/or Fine Aggregates

Table 1

Properties of cement, ground granulated blast furnace slag, and silica fume.

Chemical analysis (%)	Cement	GGBFS	SF
CaO	62.12	34.12	0.45
SiO2	19.69	36.41	90.36
Al2O3	5.16	10.39	0.71
Fe2O3	2.88	0.69	1.31
MgO	1.17	10.26	—
SO3	2.63	—	0.416
K2O	—	0.97	1.52
Na2O	0.17	0.35	0.45
Cr2O3	0.88	—	—
Loss of ignition	0.87	1.64	3.1
Specific gravity	3.15	2.79	2.20
Specific surface area (m^2/kg)	394	418	21080

GGBFS: ground granulated blast furnace slag.
SF: silica fume.