Test number | Design strength level | Cementitious material (kg/m3) | Fine aggregate (kg/m3) | Machine-made sand substitution rate (%) | Coarse aggregate (kg/m3) | Water (kg/m3) | Water reducing agent dosage (%) | |
Natural sand | Machine-made sand | |||||||
27 | C25 | 310 | 750 | 0 | 0 | 1160 | 150 | 1.75 |
28 | C25 | 310 | 375 | 375 | 50 | 1160 | 150 | 1.75 |
29 | C25 | 310 | 0 | 750 | 100 | 1160 | 150 | 1.75 |
30 | C45 | 440 | 325 | 325 | 50 | 1160 | 140 | 2.0 |
31 | C45 | 440 | 0 | 650 | 100 | 1160 | 140 | 2.0 |
32 | C25 | 300 | 680 | 0 | 0 | 1240 | 160 | 1.35 |
33 | C25 | 300 | 340 | 340 | 50 | 1240 | 160 | 1.35 |
34 | C25 | 300 | 0 | 680 | 100 | 1240 | 160 | 1.35 |