Origin: Brazzaville

Sample: White Mamboo Quarry Sand (Mfilou)

Initial dry weight: 300 grs

Module

AFNOR

Sieve (mm)

Strainer

ɸ (mm)

Cumulative refusal

% refusal

% Passant

Observation

29

0.63

0.8

0

0

100

100

26

0.315

0.40

67.2

22.4

77.60

78

23

0.100

0.200

193.6

64.53

35.47

35

20

0.08

0.1

278.3

92.77

7.23

7