Table 3. GHG emissions per unit area in the lifecycle of building materials.
GHGs | GHG emissions in the lifecycle kg/m2 | GWP j | |
Steel-concrete a | Masonry-concrete a | ||
CO | 20.1 | 7.5 | 2 |
CO2 | 954.2 | 828.51 | 1 |
NOx | 6.2 | 2.68 | 310 |
Note:
the emission factors of steel-concrete and masonry-concrete refer to Liu’s study [33].