section type Area (in2)  
 
 
ASTM designation selected: Fy (ksi) Fu (ksi)  
Used only if 'other values' selected ->  
   
choose cross section   Connection type
 
 
 
 
 
Shear lag coeff., U:
 
    U, if other:
 
 
 
Checks:  
errors:  
plate width must be > 0  
Fy must be > 0  
Fu must be > 0  
U must be between 0 and 1  
no. of lines must be positive integer  
bolts per line must be positive integer  
% connected must be between 0 and 100  
plates, long. Welds: L >= W  
plates, long. Welds: W > 0  
net area must be > 0  
cannot use calculated value for shear lag  
no. of lines (web) must be pos. integer  
bolts per line (web) must be pos. integer  
total no. bolts (W section) must be > 0