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 | |||||||
14 | C30 | 335 | 755 | 0 | 0 | 1120 | 160 | 1.95 |
15 | C30 | 335 | 377.5 | 377.5 | 50 | 1120 | 160 | 2.23 |
16 | C35 | 365 | 367.5 | 367.5 | 50 | 1120 | 155 | 2.20 |
17 | C40 | 395 | 357.5 | 357.5 | 50 | 1120 | 150 | 2.25 |
18 | C45 | 430 | 342.5 | 342.5 | 50 | 1120 | 150 | 2.50 |
19 | C50 | 470 | 325 | 325 | 50 | 1120 | 150 | 2.53 |