Comparison of Environmental Impacts of Two Alternative Stabilization Techniques on Expansive Soil Slopes

Table 8

Carbon emission of the geogrid reinforcement technique.

Construction process	CO2−eq (kg)	Proportion (%)
Geogrid production	27923.52	13.02
Transport of geogrid	73.98	0.03
Geogrid laying	27011.88	12.59
Expansive soil loading	60168.70	28.05
Transport of expansive soil	32659.46	15.22
Expansive soil paving	10863.11	5.06
Expansive soil compaction	1948.30	0.91
Nonexpansive soil loading	41694.00	19.44
Transport of nonexpansive soil	9144.65	4.26
Nonexpansive soil paving	3041.67	1.42
Total	214529.27	100