Question

Terzaghi’s bearing capacity equation is not applicable for ____________

(a) Depth effect and Inclination factor

(b) Narrow slope

(c) None of the mentioned

(d) All of the mentioned

This question was addressed to me in an international level competition.

My doubt is from Terzaghi’s Analysis in section Bearing Capacity of Geotechnical Engineering II

Answer 1

Correct option is (a) Depth effect and Inclination factor

Explanation: Terzaghi assumed the value of angle ψ = φ, which is not true. Since footings are normally rough, ψ has been found close to 45° + φ/2 than to φ, thus Terzaghi’s bearing capacity equations do not have provision for including depth effects, inclination factors, etc.