never be greater than 100 %

take values only from 0 % to 100 %

be less than 0 %

be greater than 100 %

loess

talus

drift

dune sand

one phase system

two phase system with soil and air

two phase system with soil and water

three phase system

S>0

S<0

0<S<100

0 < S < 100

18.6 kN/m3

20.0 kN/m3

22.0 kN/m3

23.2 kN/m3