Example $4-14$

Determine the available flexural strength of $C37551$ beam subjected to

uniform load. The beam is simply supported on a span of $8m$ and braced at

the ends and fifth points. The beam is ASTM A$36$ material $(F_y=248$MPa$).$

Properties of C$37551$

$d=381mm$

$b_f=86\mathrm{.}4mm$

$t_f=16\mathrm{.}5mm$

$t_w=10\mathrm{.}2mm$

$Z_x=832\mathrm{.}5{10}^{3}m{m}^3$

$J=420\mathrm{.}4{10}^{3}m{m}^4$

$h_o=366mm$

$I_x=131\mathrm{.}1{10}^{6}m{m}^4$

$I_y=3\mathrm{.}36{10}^{6}m{m}^4$

$S_x=688{10}^{3}m{m}^3$

$S_y=50\mathrm{.}6{10}^{3}m{m}^3$

$r_y=22\mathrm{.}9mm$

$C_w=96\mathrm{.}14{10}^{9}m{m}^6$

$r_{ts}=28\mathrm{.}7mm$