(b) A stanchion made out of a universal column is subjected to three vertical loads as indicated in Fig. 1. Determine the extreme fibre stresses acting at the corners
A,B,C
and
D
. The properties of the universal column section are: Area,
A=
11400mm^(2),I_(\times )=143\times 10^(6)mm^(4),I_(yy)=48\times 10^(6)mm^(4)
. (14 marks)