Question

The slaking of the clay occurs when clayey soil is dried ________

(a) below the shrinkage limit

(b) above the shrinkage limit

(c) below the plastic limit

(d) above the plastic limit

This question was posed to me in an interview.

The query is from Slaking of Clay and Bulking of Sand in portion Soil Water Effective and Neutral Stresses of Geotechnical Engineering I

Answer 1

Correct option is (a) below the shrinkage limit

For explanation: When the clayey soil is dried below its shrinkage limit, it will attain its minimum volume. When this is suddenly immersed in water it causes slaking.