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If the free swell index of soil is more than 100, the soil may be expansive.

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in Irrigation Engineering by (75.2k points)
If the free swell index of soil is more than 100, the soil may be expansive.

(a) True

(b) False

I had been asked this question in final exam.

Question is from Lining of Canals in Expansive Soils topic in portion Lining of Irrigation Canals and its Economics of Irrigation Engineering

1 Answer

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by (106k points)
Correct option is (a) True

Explanation: Free swell index is the increase in the volume of soil when subjected to submergence in water without any external constraint. If the value is less than 100, the soil is treated as non-expansive.

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