How to determine the neutral axis of the angle bar?
The neutral axis of angle iron or channel steel needs to be calculated, but it can be checked directly.
For the bolt group, the calculation of the location of the neutral axis is more complex, and is usually approximately assumed on the bottom row of the bolt axis.
The neutral axis is a line which is the intersection of the neutral plane and the neutral axis corresponding to the strong axis of the cross section. The neutral axis is equal to the bisector of the sectional area parallel to the curved main axis, and the area on both sides of the neutral axis is equal, and the biaxial symmetry section is the centroid axis.
