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Calculate Bearing Capacity Of A Concrete Cantilever Retaining Wall:
(Note: All input Metric units are converted to English units for the equations below and then the output English units are converted back to Metric)
Cohesion of the soil (c - psf or kPa)
Angle of internal friction of soil, (AIF - degrees)
Horizontal forces along structural wedge of slip plane, (T - lb/ft or N/m)
The angle the slip plane makes with the horizontal, base slip plane angle (SPAngb - degrees)*
*The base slip plane ange is used to calculate the base tilt factors.
Angle of the slope away from the toe (Bang - degrees)
Width of the base (B - ft or m)
Eccentricity of the base (E)
Depth to the bottom of toe (Dt - ft or m)
Density of the soil (d - pcf or kg/m^3)
Vertical force normal to the base slip plane (N' - lb/ft or N/m)

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Normal component of ultimate bearing capacity, Q =
Factor of safety of bearing capacity, FS = Q/N' =

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