Question $1$

Classify the Web, Flange and hence the overall section for each case below.

Assume grade S$355$ steel in all cases.

$($a$)35617145$ UB in Bending

$($b$)15215223$ UC in Compression

$($c$)20320346UC$ in Bending

$($d$)20310223$ UB in Compression

Table of limiting Ratios, adopted from Eurocode $3($IS EN $1993-1-1)$ Table $5\mathrm{.}2,$ Sheets $1$ and $2$

$\backslash$table$[[,\backslash$table$[[$Flange Limit$],[\frac{c}{t_f}$