Table 3 The mixture proportions of the concretes and the sorts of the adding aggregates.
From: Low Carbon Concrete Prepared with Scattering-Filling Coarse Aggregate Process
Sample No | C30 | C35 | C40 | C50 | C60 | C70 | C80 |
|---|---|---|---|---|---|---|---|
Aggregate sort | LS-1 | GS-1 | GS-1 | LS-1 | LS-1 | LS-1 | GS-1 |
Sand sort | DS | DS | DS | YS | YS | YS | DS |
Cement grade | P.O 42.5 | P.S 32.5 | P.O 42.5 | P.O 42.5 | P.O 42.5 | P.O 52.5 | P.O 52.5 |
Cement kg/m3 | 286 | 344 | 316 | 386 | 326 | 391 | 411 |
Fly ash kg/m3 | 90 | 148 | – | 90 | – | – | – |
GGBS kg/m3 | – | – | 150 | – | 160 | 110 | 90 |
Silica Fume kg/m3 | – | – | – | – | – | 44 | 44 |
Coarse aggregate kg/m3 | 1,113 | 1,141 | 1,069 | 1,159 | 1,159 | 1,088 | 1,096 |
Sand kg/m3 | 724 | 614 | 713 | 624 | 624 | 612 | 616 |
W/B | 0.45 | 0.33 | 0.36 | 0.33 | 0.33 | 0.28 | 0.27 |
Sand ratio % | 39 | 35 | 40 | 35 | 35 | 36 | 36 |
Superplasticizer % | 0.9 | 1 | 1.2 | 0.8 | 0.8 | 1.2 | 1.2 |
Slump mm | 165 | 260 | 225 | 190 | 190 | 225 | 235 |
Adding aggregate sort | LS-1 | DS-1 | LS-2 | LS-1 | LS-1 | LS-1 | LS-1 |