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Calculate Area of Steel Required (As) For Rigid Pavement (Subgrade Drag Method):
 
 
Calculation:
Designer/Checker:
   
Input:
 
 
 
Resistance coefficient - slab and subgrade (F)
Distance between transverse joints (L - ft or m)
Volume density of pavement slab (w - pcf or kg/m^3)
(Typically 150 pcf or 2402.77 kg/m^3)
Allowable working stress of steel (Fs - psi or kPa)
(Typically 2/3 of yield strength)
   

     
   
   
Output:  
 
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Area of Steel Required (As) =
 
 



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