The unit weight of a soil sample is 20 kN/m3 and the water content is 18%. The dry density of the soil sample is :

The unit weight of a soil sample is 20 kN/m3 and the water content is 18%. The dry density of the soil sample is :

Right Answer is:

16.94 kN/m3

SOLUTION

ϒ= ϒ/(1 + w)

where

ϒ = weight of  solid particles of the soil mass = 20 kN/m3

w = total volume of the soil mass = 18% = 0.18

ϒ= 20/(1 + 0.18)

ϒ= 16.94 kN/m3

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