Hi,
In AISC 360-05 and 360-10 code, same formula is used to calculate the shear area (AY and AZ). For W14X90 section, Ay is (14.02*0.44 =) 6.1688 sqr. inch and AZ is (2/3*2*14.52*0.71 =)13.7456 sqr. inch. The same value is used for design and reported…