Properties of a Rectangular Section
Width of beam (b)
Depth of beam (d)
Area (in
2
):
A= (b*d)
Section Modulus (in
3
):
S= (b*d
2
)/6
Moment of Inertia (in
4
):
I= (b*d
3
)/12
Properties of a Circle
Diameter of Beam
Area (in
2
):
A= Pi*(d
2
)/4
Section Modulus (in
3
):
S= Pi*(d
3
)/32
Moment of Inertia (in
4
):
I= Pi*(d
4
)/64