JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. D12.A.6.5 Channel profile For channel profiles the von Mises stress is checked at 6 locations as shown in the figure below. Cross section properties where Ax , Sy , Sz , Ix , Iy , and Iz =taken from the STAAD.Pro database Ay = 2ht, similar as for wide flange profiles Az = 2×(2/3)bt, Ay and Az are not used in code checks e = b×(Iy/Sy) x = h-t y = b-s/2 Cw = x 2 y 3 t 12 ( 2 x s + 3 y t ) ( x s + 6 y t ) , ref.[4] tab. 21, case 1 Stress calculations at selected stress points Point No σx σby σbz τx τy τz 1 F x A x M y I y ( b − e ) M z I z h 2 M x I x t 0 0 2 0 M z I z h 2 M x I x t F y I z ( b − e ) t h 2 t F z I y 0.5 ( b − e ) 2 t t 3 M y I y b 1 M z I z h 2 M x I x t F y I z ( b − s ) t h 2 t F z I y ( b − s ) t [ 0.5 ( b + s ) − e ] t 4 M y I y b 2 M z I z h 2 M x I x t F y I z ( b − 0.5 s ) t h 2 t F z I y ( b − s 2 ) t [ 0.5 ( b + t 2 ) − e ] t 5 M y I y b 2 M z I z h 1 M x I x s F y I z b t h 2 s F z I y b t ( b 2 − e ) s 6 M y I y b 2 0 M x I x s F y I z b t h 2 + 0.5 s h 1 2 s 0 The general stress formulation is given in sec. 5.2.f Parent topic: D12.A.6 Yield Check