If water content of a soil is 40%, G is 2.70 and void ratio is 1.35, then, the degree of saturation is:

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OSSC JE Civil Mains Official Paper: (Held On: 16th July 2023)
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  1. 70%
  2. 80%
  3. 75%
  4. 85%

Answer (Detailed Solution Below)

Option 2 : 80%
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Explanation:

For a given soil sample,

S × e = w × G

where

S = degree of saturation, e = void ratio, w = water content

G = specific gravity of the soil solid

Given,

⇒ w = 40 %, G = 2.7, e = 1.35

As, S × e = w × G

\(S = \frac{{0.4 \times 2.7}}{{1.35}} = 0.8 = 80\ %\)%

 

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