Opus caementicium exposed in a attribute Roman arch. In distinction to modern concrete constructions, the concrete Utilized in Roman buildings was ordinarily lined with brick or stone. The Romans used concrete extensively from three hundred BC to AD 476.[18] In the Roman Empire, Roman concrete (or opus caementicium) was created https://jaredqplid.ezblogz.com/67390665/little-known-facts-about-concrete-reinforced-with-bamboo