Table 5.
Mix proportions and basic fresh-state properties of the SCC produced.
| Mix Components | PC 45 | PC 65 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100% NA | 25% RA | 50% RA | 100% CRA | 100% FRA | 100% NA | 25% RA | 50% RA | 100% CRA | 100% FRA | ||
| CEM I 42.5 R | (kg/m3) | 270 | 437 | ||||||||
| Fly ash (FA) | (kg/m3) | 247 | 148 | ||||||||
| Limestone filler (LF) | (kg/m3) | 59 | 29 | ||||||||
| Superplasticizer (Sp) | (kg/m3) | 3 | 4 | ||||||||
| Water (W) | (L/m3) | 187 | 188 | ||||||||
| FNA 0/2 | (kg/m3) | 350 | 262 | 175 | 350 | - | 348 | 261 | 174 | 348 | - |
| FNA 0/4 | (kg/m3) | 348 | 261 | 174 | 348 | - | 347 | 260 | 173 | 347 | - |
| FRA | (kg/m3) | - | 167 | 333 | - | 667 | - | 156 | 312 | - | 624 |
| CNA 1 | (kg/m3) | 389 | 292 | 195 | - | 389 | 389 | 292 | 195 | - | 389 |
| CNA 2 | (kg/m3) | 398 | 299 | 199 | - | 398 | 398 | 299 | 199 | - | 398 |
| CRA | (kg/m3) | - | 193 | 385 | 770 | - | - | 184 | 369 | 737 | - |
| W/C | (−) | 0.69 | 0.43 | ||||||||
| W/CM | (−) | 0.36 | 0.32 | ||||||||
| W/FM | (−) | 0.32 | 0.31 | ||||||||
| Basic fresh state properties | |||||||||||
| Slump flow (SF) | (mm) | 733 | 690 | 688 | 698 | 685 | 765 | 760 | 700 | 718 | 683 |
| T500 | (S) | 2.5 | 2.5 | 2.5 | 3.0 | 2.5 | 2.0 | 2.5 | 2.5 | 3.0 | 2.5 |
| V-funnel (T) | (s) | 7.5 | 9.0 | 8.0 | 7.0 | 7.0 | 9.0 | 9.0 | 8.0 | 9.0 | 11.0 |
| L-box (PL) | (−) | 0.80 | 0.80 | 0.80 | 0.83 | 0.80 | 0.81 | 0.84 | 0.90 | 0.80 | 0.80 |