In this world Civil Engineering is the most important part of human civilization. It is better to say it has started from the beginning
from the stone age when man learned to create shelter for them and from then human has made different type of structures,
including pyramids by the combination of lots of mathematical calculation. By known or obscure, Civil Engineering was
consistently a piece of a human progress. We have improved a lot in this field till now and now we are trying to improve more. Cold
formed steel which comprise with light weight solid materials with steel empty area. Its structural behavior depends on individual
components
