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Soil should possess___________for the formation of ice lens.

(a) Low moisture content

(b) High porosity

(c) High capillarity

(d) All of the mentioned

I had been asked this question in examination.

The question is from Frost Action topic in portion Soil Water Effective and Neutral Stresses of Geotechnical Engineering I

1 Answer

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Correct choice is (c) High capillarity

For explanation I would say: For the formation of ice lens and frost heave, soil should possess high capillarity so that the soil possesses a high capacity to pull water.

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