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Question
A soil has bulk density of 20.1 kN/m3 and water content 15%. What is the water content if the soil partially dries to a density of 19.4 kN/m3 and the void ratio remains unchanged?
A.
11%
B.
12%
C.
10%
D.
13%
Answer ( Option A)

11%

Solution

Since the void ratio remains unchanged or partial drying, the volume of soil remains unchanged because
Vsoil = Vsoild (1+e)
⇒ dry unit wt remains unchanged since
⇒ Moisture content of partially died soil is 10.99%

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