Research Article

Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar

Table 1

Chemical composition of granulated blast furnace slag and cement (%wt).

Physical properties/chemical compositionsGBFSOPC

Calcium oxide, CaO39.5463.56
Silicon dioxide, SiO233.8721.04
Aluminum oxide, Al2O314.425.46
Ferric oxide, Fe2O30.692.98
Sulfur trioxide, SO32.472.04
Sodium oxide, Na2O0.480.32
Potassium oxide, K2O0.650.70
Magnesium oxide, MgO5.352.52
Loss on ignition, L.O.I.2.531.38