Question

Remoulding of clay results in _______

(a) increase in its strength

(b) decrease in its strength

(c) no change

(d) decrease in compressibility

This question was addressed to me by my college professor while I was bunking the class.

This key question is from Sensitivity and Thixotropy of Clays topic in portion Index Properties Determination of Geotechnical Engineering I

Answer 1

Correct choice is (b) decrease in its strength

The explanation: The strength of a clay soil is related to its structure. Due to the destruction of the clay particle structure that was developed during the original process of sedimentation, there is loss of strength of clay soils.