The shape factor is a function of the cross section geometry and is a measure of how efficiently the material is used to resist bending.
k=\frac{M_P}{M_Y}
The moment at yield, ππ, is given by
M_Y=\frac{P_{Y}L}{4}
The plastic moment, ππ, is given by
M_P=\frac{P_{P}L}{4}
Leave a Reply