Question

The possible method adopted for designing of raft foundation is ___________

(a) Conventional method

(b) Elastic method

(c) Soil line method

(d) All of the mentioned

I have been asked this question during an internship interview.

Origin of the question is IS Code of Practice for Design of Raft Foundations topic in portion Shallow Foundations of Geotechnical Engineering II

Answer 1

The correct answer is (d) All of the mentioned

The explanation is: The behavior of a raft foundation being complicated, a number of simplifying assumption has to be made in design. There are two approaches for design-conventional method and the elastic method or the soil line method.