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Large volume changes in clayey soils results in ____________

(a) Increase in capillary pressure

(b) Structural damage

(c) Decrease in surface area

(d) Breaking of bonds

The question was asked in an interview for internship.

This intriguing question originated from Shrinkage and Swelling of Soil topic in chapter Soil Water Effective and Neutral Stresses of Geotechnical Engineering I

1 Answer

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Best answer
Correct option is (b) Structural damage

Easiest explanation: Clayey soil has very little shrinking and swelling capacity, therefore a large change in volume results in extensive structural damages.

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