Opus caementicium uncovered in the attribute Roman arch. In distinction to contemporary concrete constructions, the concrete Employed in Roman properties was ordinarily coated with brick or stone. The Romans utilised concrete thoroughly from three hundred BC to Advertisement 476.[eighteen] During the Roman Empire, Roman concrete (or opus caementicium) was created https://bangkok-wax82592.answerblogs.com/36048279/not-known-facts-about-concrete-reinforced-with-natural-fibers