Concrete structures and Concrete technology

Concrete is a composite material made of coarse aggregate fortified together with a liquid bond that solidifies after a certain time. Most cements utilized are lime-based cements, for example, Portland bond cement or cements made with other water powered concretes. Be that as it may, black-top solid, which is much of the time utilized for street surfaces, is additionally a kind of solid, where the bond material is bitumen, and polymer cements are here and there utilized where the establishing material is a polymer.