From: Effect of Red Mud Content on Strength and Efflorescence in Pavement using Alkali-Activated Slag Cement
Type of binder
Specific surface area(cm2/g)
Density (g/cm3)
Ig. loss
Chemical composition (%)
SiO2
Al2O3
Fe2O3
CaO
MgO
SO3
OPC
3144
3.15
1.32
21.7
5.7
3.2
63.1
2.8
2.2
AAS
4058
2.83
2.23
22.1
8.9
1.4
54.9
3.3
5.2