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Determine The Water Content of The Soil Sample

A saturated soil sample has a dry unit weight of 18000 N/m3 and specific gravity of 2.65 if the unit weight of water is 9810 N/m3, determine the water content of the soil sample?





ANSWER = [B] 0.17
Explain:- Correct answer for the question A saturated soil sample has a dry unit weight of 18000 N/m3 and specific gravity 2.65 if the unit weight of water is 9810 N/m3, determine the water content of the soil sample is [B] 0.17

Detailed Explanation for Solution

Dry unit weight (ɣd) = 18000 N/m3 = 18 kN/m3
Specific gravity (Gs) = 2.65
Unit weight of water (ɣw) = 9810 N/m3 = 9.81 kN/m3

For water Content

ɣd = Gɣw/1+wG
18 = (2.65 × 9.81) / (1 + 2.65 × w)
18 + 47.7w = 25.99
47.7w = 7.99
w = 0.1675
w ≅ 0.17

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