Design of Column "M" & "N" | Built up Section

Topics discussed in this video 00:00 Section Dimensions 04:35 Lz for batten plates 08:58 Design steps 10:20 Buckling length 13:13 Stress condition 20:35 Check local buckling 23:42 Check lateral torsional buckling 36:08 Check normal stress 53:55 Check shear stress 56:21 Check equivalent stress 57:31 Note about Cb factor 59:48 Design of batten plates 1:14:38 Idea about batten plates