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

Table 5

Energy consumption of the lime-stabilized expansive soil technique.

Construction process	Energy consumption (MJ)	Proportion (%)
Lime production	1581930.00	40.34
Transport of lime	39252.60	1.00
Lime paving	691.69	0.02
First mixing	53047.85	1.35
Transport of lime-soil	129475.46	3.30
Lime-soil paving	70279.05	1.79
Secondary mixing	22103.27	0.56
Lime-soil compaction	23376.04	0.60
Expansive soil loading	78609.22	2.00
Transport of expansive soil	679746.18	17.34
Expansive soil paving	368964.99	9.41
Expansive soil compaction	122724.20	3.13
Nonexpansive soil loading	26203.07	0.67
Transport of nonexpansive soil	560751.43	14.30
Nonexpansive soil paving	122988.33	3.14
Nonexpansive soil compaction	40908.07	1.04
Total	3921051.46	100