How Old is Concrete, and How Useful is it as it Ages?
22 Mar 2016
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How Old is Concrete? How Useful is it as it Ages? How old is concrete? Concrete is 2,000 years old or more. One example of an ancient structure still standing is the Roman Pantheon from 128 AD, built in the reign of the emperor Hadrian. There are actual dates stamped into bricks... Continue Reading
