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