Table 3.
Environmental indicators – production of 1 kg of natural aggregate45.
| Ref | Coarse/fine | Natural/ | Crushed/ | GWP | Energy consumption |
|---|---|---|---|---|---|
| Recycled | Rolled | (kg CO2 eq) | (MJ) | ||
| 46 | Coarse | Natural | Crushed | 3.14E-02 | 4.41E-01 |
| 47 | Coarse | Natural | Crushed | 1.54E-02 | 2.40E-01 |
| 48 | Coarse | Natural | Crushed | 4.39E-03 | 3.20E-01 |
| 49 | Coarse | Natural | Crushed | 2.12E-03 | 2.19E-02 |
| 50 | Coarse | Natural | Crushed | 3.20E-02 | 4.96E-01 |
| 51 | Coarse | Natural | Rolled | 1.39E-03 | 1.48E-02 |
| 49 | Coarse | Natural | Rolled | 1.34E-03 | 1.12E-02 |
| 48 | Fine | Natural | Rolled | 4.39E-03 | 3.20E-01 |
| 49 | Fine | Natural | Rolled | 2.12E-03 | 2.19E-02 |
| 46 | Fine | Natural | Rolled | 9.87E-03 | 1.35E-01 |
| 50 | Fine | Natural | Rolled | 2.30E-02 | 3.41E-01 |
| 49 | Fine | Natural | Rolled | 1.43E-03 | 1.12E-02 |
| 46 | Fine | Natural | Crushed | 2.79E-03 | 3.92E-01 |
| 50 | Fine | Natural | Crushed | 3.30E-02 | 5.18E-01 |
| 49 | Fine | Natural | Crushed | 2.12E-03 | 2.19E-02 |