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Validate Pier Design:
 
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)
 
 
Trial design pier diameter or width (w - in or cm)
Length of design pier (L - in or cm)
Thickness of concrete floor adjacent to footing (tf - in or cm)
Depth of pier below grade (Df - ft or m)
Allowable pressure or soil bearing capacity (pa - tsf or kPa)
Soil density (d - pcf or kg/m^3)
Load on Pier (P- tons or kN)
Soil frictional resistance (FR - tsf or kPa, 0.0 for sand)

     
   
   
Output:
 
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Footing Press. (pf) =
Pressure from floor (pq) =
Pressure under footing (p) =
Total pressure (ptotal) =
Soil surcharge pressure (ps) =
Actual pressure (pactual) =
 
 
 
 
 



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