"Geometrical Properties of Tee Section
'<hr /><div style="max-width:120mm"><img style="height:150pt;" alt="tee.png" class="side" src="https://calcpad.eu/media/mechanics/sections/tee.png"></div>
'Dimensions
h = ?'%u,'t_w = ?'%u
b_f = ?'%u,'t_f = ?'%u
'Area
A_w = h*t_w'%u<sup>2</sup>
A_f = (b_f - t_w)*t_f'%u<sup>2</sup>
A = A_w + A_f'%u<sup>2</sup>
'Centroid
y_c = b_f/2'%u
S_y = A_w*h/2 + A_f*(h - t_f/2)'%u<sup>3</sup>
z_c = S_y/A'%u
'Perimeter
P = 2*(h + b_f)'%u
'Second moments of area
I_y_w = A_w*(h^2/12 +(z_c - h/2)^2)'%u<sup>4</sup>
I_y_f = A_f*(t_f^2/12 + (h - z_c - t_f/2)^2)'%u<sup>4</sup>
I_y = I_y_w + I_y_f'%u<sup>4</sup>
I_z = (t_f*b_f^3 + (h - t_f)*t_w^3)/12'%u<sup>4</sup>
'Polar moment of area
I_x = I_y + I_z'%u<sup>4</sup>
'Radii of gyration
r_y = sqrt(I_y/A)'%u
r_z = sqrt(I_z/A)'%u
r_x = sqrt(I_x/A)'%u20	2	10	5