Opus caementicium uncovered inside a attribute Roman arch. In contrast to contemporary concrete buildings, the concrete used in Roman properties was typically included with brick or stone. The Romans used concrete extensively from three hundred BC to Advert 476.[18] In the Roman Empire, Roman concrete (or opus caementicium) was made https://taifudo-bodyguard37047.full-design.com/5-easy-facts-about-concrete-reinforced-house-described-78166665