List of symbols

Symbol	Name of the symbol	Unit
$F$	section area	$\mathrm{cm^2}$
$G$	mass	$\mathrm{kg/m}$
$I_x$	second moment of area $ I_x $	$\mathrm{cm^4}$
$I_y$	second moment of area $ I_y $	$\mathrm{cm^4}$
$S_x$	moment of first order of half the cross section	$\mathrm{cm^3}$
$U$	surface area	$\mathrm{m^2/m}$
$W_x$	section modulus $ W_x $	$\mathrm{cm^3}$
$W_y$	section modulus $ W_y $	$\mathrm{cm^3}$
$b$	dimension $ b $	$\mathrm{mm}$
$e_y$	dimension $ e_y $	$\mathrm{cm}$
$h$	dimension $ h $	$\mathrm{mm}$
$i_x$	radius of gyration $ i_x $	$\mathrm{cm}$
$i_y$	radius of gyration $ i_y $	$\mathrm{cm}$
$r_1$	dimension $ r_1 $	$\mathrm{mm}$
$r_2$	dimension $ r_2 $	$\mathrm{mm}$
$s$	dimension $ s $	$\mathrm{mm}$
$s_x$	distance between centre of pressure and centre of tension	$\mathrm{cm}$
$t$	dimension $ t $	$\mathrm{mm}$
$x_M$	distance of shear centre (M) from $ y-y $ axis	$\mathrm{cm}$