Iam a student from federal polytecnic damaturu in Nigeria from department of civil engineering.thanks
1. ) We really need to paint building and steel to prevent from rust, by then it will help the structure to last long..We all know that rust is one of the problem that loosen the strenght of steel.. 2.) Construction aggregate, or simply aggregate, is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, and recycled concrete. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as reinforcement to add strength to the overall composite material.
