Research Article

Utilization of Waste Glass Powder and Glass Composite Fillers in Asphalt Pavements

Table 9

Global warming potential of various mixes.

Type of fillerFiller content (%)Quantity of bitumen (ton/km)Quantity of coarse aggregate (ton/km)Quantity of fine aggregate (ton/km)Quantity of SD (ton/km)Quantity of GP (ton/km)Quantity of hydrated lime (ton/km)Total emission (kgCO2 equivalent)Savings in conventional aggregates with respect to SD 4 mix (ton)Savings in bitumen with respect to SD 4 mix (ton)
GHG emission (kgCO2 equivalent/kg)0.4260.00260.00260.002600.785

Stone dust4.078.70422.56644.9644.48003641900
5.567.10377.56561.3854.650031170138.7511.70
7.055.65350.78507.7064.620026107229.1823.05
8.554.53346.61487.9977.530025602265.9724.17

Glass powder4.071.95398.74608.61041.97033270104.656.75
5.564.03370.12550.31053.57029670191.5714.67
7.055.48342.53495.77063.10025813273.7123.22
8.551.38332.11467.57074.29023695312.3227.32

Glass lime composite4.063.62379.55579.31019.9819.9845277153.1415.08
5.556.72357.51531.56032.9318.8241245222.9321.98
7.051.00339.78491.79044.7117.8837928280.4327.70
8.548.38327.30460.80055.9917.2336183323.9030.32