Q3
The effective stress principle in soil mechanics was proposed by:
A.
Boussinesq
B.
Terzaghi
AnswerC.
Darcy
D.
Casagrande
Answer: Option B
Solution
Answer: Option B
Solution:
Terzaghi introduced the effective stress principle, which states:Total stress = Effective stress + Pore water pressure.Effective stress governs soil strength and deformation.