



Calculate Bearing Capacity Of A Concrete
Cantilever Retaining
Wall: 

Calculation: 

Designer/Checker: 



Input: 






(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) 











Output: 

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Normal component of ultimate bearing capacity, Q = 

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








