18.6 kN/m3
20.0 kN/m3
22.0 kN/m3
23.2 kN/m3
air entrained soil
partially saturated soil
dry soil
dehydrated soil
0<n<100
n>0
n<0
Unit weight of dry soil is greater than unit weight of wet soil.
For dry soils, dry unit weight is less than total unit weight.
Unit weight of soil increases due to submergence in water.
Unit weight of soil decreases due to submergence in water.
never be greater than unity
be zero
take any value greater than zero
take values between 0 and 1 only