Question

If the pore pressure is measured during un-drained stage of the test, the result can be expressed in terms of __________

(a) C’ and φ

(b) cu

(c) None of the mentioned

(d) All of the mentioned

I have been asked this question in exam.

The query is from Shear Strength of Cohesive Soil in chapter Shear Strength of Geotechnical Engineering I

Answer 1

Correct answer is (a) C’ and φ

Easy explanation: Both effective parameters C’ and φ’ can be expressed when pore pressure is measured during un-drained stage of the test.