Question

The gain in strength after remoulding is due to______

(a) permanent destruction of structure

(b) reorientation of molecules

(c) rehabilitation of molecular structure

(d) crystallization

I have been asked this question during an interview.

The origin of the question is Sensitivity and Thixotropy of Clays topic in division Index Properties Determination of Geotechnical Engineering I

Answer 1

Correct answer is (c) rehabilitation of molecular structure

Explanation: The loss of strength is due to permanent destruction of structure and reorientation of molecules of clay. The gain in strength is due to rehabilitation of molecular structure of the soil.