Table 10.
Carbon emissions and energy consumption of base layers during the construction phase for the three technologies.
| Equipment | Equipment workload (t) | Energy consumption factor (MJ/t) | CO2 emission factor (kg/t) | Total energy consumption (MJ) | Total CO2 emissions (kg) | |
|---|---|---|---|---|---|---|
| Removal and reconstruction | Milling machine | 5775 | 34.17 | 2.53 | 197,332 | 14,611 |
| Inorganic mixture mixing | 4725 | 4.84 | 0.84 | 22,869 | 3969 | |
| Inorganic stabilized mixture paving | 4725 | 7.07 | 0.27 | 33,406 | 1276 | |
| Inorganic stabilized mixture compaction | 4725 | 15.58 | 0.58 | 73,616 | 2741 | |
| Total | / | / | / | 327,222 | 22,596 | |
| Cold central plant recycling | Milling machine | 5775 | 34.17 | 2.53 | 197,332 | 14,611 |
| Plant mixing equipment | 5544 | 4.84 | 0.84 | 26,833 | 4657 | |
| Paver | 5544 | 7.07 | 0.27 | 39,196 | 1497 | |
| Road roller | 5544 | 15.58 | 0.58 | 86,376 | 3216 | |
| Total | / | / | / | 349,736 | 23,980 | |
| FDR-PC | Wirtgen cold recycler | 5418 | 38.32 | 2.62 | 207,618 | 14,195 |
| Grader | 5418 | 4.00 | 0.25 | 21,672 | 1355 | |
| Road roller | 5418 | 15.58 | 0.58 | 84,412 | 3142 | |
| Total | / | / | / | 313,702 | 18,692 |