Table 1 Mixture proportions of concretes (kg/m3 concrete)
From: Macrocell Corrosion Currents in Simulated Concrete Pore Solution and Reinforced Concrete
| Â | C30 | C40 | C50 | C90 | UH-150 |
|---|---|---|---|---|---|
Cement: CEM II/B-M (V-LL) 32.5 N | 307 | – | – | – | – |
Cement: CEM I 42.5 R/SR | – | 292 | 450 | 500 | 800 |
Water | 184 | 190 | 225 | 178 | 160 |
Superplasticizer Sika®-20HE | 1.85 | 2.80 | 1.37 | 3.50 | 30 |
Silica fume | – | – | – | 55 | 175 |
Silica flour | – | – | – | – | 225 |
Siliceous sand fine (0/0.5) | – | – | – | – | 302 |
Siliceous sand medium (0.6/1.2) | – | – | – | – | 565 |
Limestone sand (0/4) | 1438 | 1256 | 880 | 914 | – |
Limestone gravel (4/7) | – | – | 880 | 779 | – |
Limestone gravel (4/12) | 491 | 707 | – | – | – |
Steel fibres (Ø0.2mmx13mm) | – | – | – | – | 175 |
w/b ratio | 0.60 | 0.65 | 0.50 | 0.32 | 0.16 |