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Calculate Max. and Min. Soil Pressure From Moment and Vertical Load on Footing:
 
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)
 
Assuming no moment around the short axis, then:
     
Vertical load on spread footing (P - lbs or N)
Moment acting around the long axis (MW - ft-lb or N-m )
Width of footing (W - ft or m)
Length of footing (L - ft or m)
   

     
   
   
Output:
 
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Maximum soil pressure (pmax) =
Minimum soil pressure (pmax) =
 
 
 
 



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