Opus caementicium uncovered inside a attribute Roman arch. In contrast to fashionable concrete constructions, the concrete used in Roman properties was typically covered with brick or stone. The Romans employed concrete thoroughly from three hundred BC to AD 476.[eighteen] In the Roman Empire, Roman concrete (or opus caementicium) was made https://garrettttspp.blogginaway.com/36496414/getting-my-concrete-reinforced-wire-to-work