A standard steel C180 22 channel shape is subjected to a resultant bending moment M = 5 kNm oriented at an angle of 13 with respect to the z axis, as…

A standard steel C180 × 22 channel shape is subjected to a resultant bending moment M = 5 kN·m oriented at an angle of 13° with respect to the z axis, as shown. Calculate the bending stresses at points H and K and determine the orientation of the neutral axis. Show the results on a sketch. Iz = 11.3×106 mm4 and Iy = 0.568x106mm4 . The overall depth is 178mm, the flange width is 58.4mm and the distance to the centroid along z is 13.5mm.
 
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