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Compressive Strength For Slender Single Angle Sections:
 
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)
 
From AISC E5 & E7:
This calculation applies to slender unstiffened single angle compression members where b/t < 20.
For equal-leg angles or unequal-leg angles connected through the longer leg that are individual members or are web members of planar trusses with adjacent web members attached to the same side of the gusset plate or chord.  
 For equal-leg angles or unequal-leg angles connected through the shorter leg that are individual members or are web members of planar trusses with adjacent web members attached to the same side of the gusset plate or chord.  
For equal-leg angles or unequal-leg angles connected through the longer leg that are web members of box or space trusses with adjacent web members attached to the same side of the gusset plate or chord.  
For equal-leg angles or unequal-leg angles connected through the shorter leg that are web members of box or space trusses with adjacent web members attached to the same side of the gusset plate or chord.  
Length of member between work points at truss chord centerlines (L - ft or m)
Steel yield strength (fy - ksi or MPa)
Radius of gyration, x-axis (rx - in or mm)
Length of longer leg (bl - in or mm)
Length of shorter leg (bs - in or mm)
Thickness of steel (t - in or mm)

     
   
   
Output:
 
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Maximum compressive strength of the member, Pu =
   
   
   
 
 
 



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