Theoretical composition of concrete per m3

Concrete components

Percentage

Volume

ρr

Quantity

20 liters

%

l

kg/l

kg/m3

kg

Basalt 8/16

58

407

2.976

1212

24.23

Basalt 3/8

8

56

2.978

167

3.34

50% dune sand + 50% basalt 0/3

34

239

2.765

660

13.20

Cement CEM II/B-M 42.5

-

113

3.1

350

7.00

Water (tap water)

-

211

1

211

4.25

Total

100

1023

-

2600

52.03