Research Article
Evaluation of the Flexural Performance and CO2 Emissions of the Voided Slab
Table 7
CO2 emission of concrete in product stage.
| | Items | Raw materials | Transportation | | A | B | C = A B | D | E | F | G | | kg/unit | kg-CO2/kg | kg-CO2/unit | Location | km | kg-CO2/kg-km | kg-CO2/kg |
| | Concrete | | | | | | | | | Ordinary Portland cement | 333.000 | 0.948000 | 315.6840 | Damyang | 277.00 | 6.06 10−5 | 5.590 | | Fine aggregate | 821.000 | 0.000152 | 0.124792 | Hadong | 322.00 | 1.16 10−5 | 3.067 | | Coarse aggregate | 1086.00 | 0.007740 | 8.405640 | Gyeonggi, Gwangju | 37.60 | 1.16 10−5 | 0.474 | | Chemical admixture | 3.330 | 0.002050 | 0.006826 | Gyeonggi, Anseong | 66.000 | 1.16 10−5 | 0.003 | | Sub sum | | | 324.232274 | | | | 9.133 | | Manufacturing | 1 m3 | 0.71 kg-CO2/FU | 0.710000 | | | | | | Total | | | 334.078975 | | | | |
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