Author Topic: Secrets of Ancient Rome's Amazing Concrete Revealed  (Read 3258 times)

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Offline Caesar

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Secrets of Ancient Rome's Amazing Concrete Revealed
« on: July 04, 2014, 11:35:05 AM »
(Newser) – The ancient Romans were so skilled at making concrete that breakwaters poured more than 2,000 years ago are still doing fine. The modern stuff? Give it 50 years before it starts eroding in seawater. Now, however, scientists think they've figured out how the Romans did it—and the findings could make today's concrete not only much stronger but more environmentally friendly, reports Bloomberg Businessweek. The Roman formula involves a combination of volcanic ash and lime that modern concrete lacks, and it uses a different "glue" to hold the components of concrete together, say researchers at the Berkeley Lab. (The resulting compound is "calcium-aluminum-silicate-hydrate" for the technical-minded.)
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