Question

An infinite slope of 5m height has following properties. Voids ratio = 0.32, Specific gravity = 2.65 and Degree of saturation = 50%, Angle of slope of 20°, cohesion = 25kPa and angle of internal friction of 28°. Determine the following.

The factor of safety for submerged condition.

The factor of safety if the water table is at 1.5m from top surface of the slope.

Height of the dry slope if the factor of safety after construction is 3.

Answer 1