Opus caementicium uncovered inside a characteristic Roman arch. In distinction to modern concrete constructions, the concrete used in Roman structures was ordinarily coated with brick or stone. The Romans applied concrete thoroughly from three hundred BC to Advert 476.[eighteen] Throughout the Roman Empire, Roman concrete (or opus caementicium) was constructed https://cruzvxsob.jiliblog.com/92319895/concrete-reinforced-wall-an-overview