by the 1950s, it was obvious that much modern cement is not as durable as the ancient variety
One can only hope that this means all the awful brutalist architecture that the 60s and 70s subjected us to won't last as long as the Colosseum.
by the 1950s, it was obvious that much modern cement is not as durable as the ancient variety
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1 comments:
The best Roman cement was so good because they mixed in volcanic ash. Thus, the cement they used in central Italy has usually lasted better than that which they used in, say, France or Britain.
(Thirty years ago, I was given a private tour of the necropolis under the altar at St Peter's. In a very small space, you can observe 2000 years of masonry work of wildly different quality. The Roman work was much better than everything that followed. My guide attributed this to the use of slaves, but perhaps he was joking.)
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