Question

Coarse grained skeleton is a structure of soil which is present in _________

(a) fine grained

(b) composite soil with large amount of coarse grained particles

(c) composite soil with large amount of fine grained particle

(d) coursed grained

This question was addressed to me in class test.

My question is from Flocculent and Dispersed Structures topic in section Soil Structure and Clay Minerology of Geotechnical Engineering I

Answer 1

Correct choice is (b) composite soil with large amount of coarse grained particles

Explanation: Coarse grained skeleton is a composite structure. Composite soil with a large amount of coarse grained particles form ‘coarse grained skeleton’. While composite soil with a large amount of fine grained particle form ‘clay matrix’.