+1 vote
in Geotechnical Engineering II by (93.7k points)
The force acting on a wedge of soil are ____________

(a) Frictional force

(b) Weight of the wedge and Active thrust

(c) None of the mentioned

(d) All of the mentioned

This question was posed to me during an internship interview.

This is a very interesting question from Coulomb’s Wedge Theory topic in portion Failure Envelopes & Earth Pressure of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
Correct choice is (b) Weight of the wedge and Active thrust

For explanation: According to wedge theory, the forces acting on a wedge of soil are its weight W, the reaction R along the plane of sliding and the active thrust against the retaining wall.

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