Research Article

Effects of Sand Powder on Sulfuric Acid Resistance, Compressive Strength, Cost Benefits, and CO2 Reduction of High CaO Fly Ash Concrete

Table 5

Emission inventory data used for CO2 emission calculations, for material transportation to the Bangkok metropolitan area.

MaterialsTypeDistance (km)CO2 emission factor of materials (t-CO2/tonne)

BindersCement (OPC)1200.0086
Fly ash (FAM)6000.0428
Fly ash (FAR)1900.0136
Sand powder (GS)600.0043

AggregatesCoarse aggregate1200.0086
Fine aggregate600.0043