Solved Example: 9900-01

An embankment has a slope of 30$^\circ$ which was constructed with soil having C = 30 kN/m$^2$, $\phi$ = 20$^\circ$ and $\gamma$ = 15 kN/m$^3$. The height of the embankment is 20 m. Using Taylor's stability no 1/40, the factor of safety with respect to cohesion is:

A. 0.25

B. 2

C. 4

D. 1.5

Correct Answer: C