Did you know? The two major components of buildings are the substructure and superstructure. Today we will highlight on the substructure. What is a substructure? The substructure is the part of the building that is underneath the ground. The purpose of the substructure of a building is to transfer loads of the superstructure to the soil that is underneath. This is why the substructure is right against the soil that supports it.It is very important that you take time working with structural engin