Civil Engineering > GATE 2014 SET-2 > Slope Stability
An infinitely long slope is made up of a c-φ soil having the properties: cohesion (c) = 20 kPa, angle of inclination = 40°, critical height of the slope = 5 m, and dry unit weight (γd) = 16 kN/m3. To maintain the limiting equilibrium, the angle of internal friction of the soil (in degrees) is ______.
Correct : 21 to 23
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