Nature of the sample

Apparent density (t/m³)

Mixture of sand (70% Djiri sand and 30% crushed sand 0/4)

1.60

Mixture of sand (70% Mfilou sand and 30% crushed sand 0/4)

1.58

White sand from Djiri's quarry

1.56

Mfilou quarry white sand

1.57

Mixture of sand (70% river sand and 30% crushed sand 0/4)

1.51

Congo River Sand

1.40

Crushed sand 0/5

1.39