Particle size synthesis

Colour

Aspect

of gravel

$\Phi \ge 2\text{mm}$

of sand

$2\ge \Phi \ge 0.2\text{mm}$

of silt

$0.02\ge \Phi \ge 0.002\text{mm}$

of clay

$\Phi \le 0.02\text{mm}$

Red

Sandy

10.75

30.53

18.27

40.45

Consistency limit (%)

Liquidity limit

61.8

Plasticity limit

45.8

Plasticity index

16.0