https://science.howstuffworks.com/why-an...modern.htm
EXCERPTS: Why are millennia-old ancient Roman piers still standing strong as veritable concrete islands, while modern concrete structures built only decades ago crumble from an onslaught of wind and waves? The answer lies in an until-now undocumented Roman recipe.
[...] why aren't we using Roman-style concrete? For one, we don't know the recipe. We may think we're at the height of human knowledge, but the ancients did possess precious knowledge that has been lost to time.
Although University of Utah geologist and lead study author Marie Jackson has pored through ancient Roman texts, she hasn't yet discovered a precise method for mixing the marine mortar. "The recipe was completely lost," said Jackson, who is working with geological engineers to recreate the right mix, in a press release... (MORE - missing details)
Was Roman concrete better?
https://www.youtube-nocookie.com/embed/qL0BB2PRY7k
EXCERPTS: Why are millennia-old ancient Roman piers still standing strong as veritable concrete islands, while modern concrete structures built only decades ago crumble from an onslaught of wind and waves? The answer lies in an until-now undocumented Roman recipe.
[...] why aren't we using Roman-style concrete? For one, we don't know the recipe. We may think we're at the height of human knowledge, but the ancients did possess precious knowledge that has been lost to time.
Although University of Utah geologist and lead study author Marie Jackson has pored through ancient Roman texts, she hasn't yet discovered a precise method for mixing the marine mortar. "The recipe was completely lost," said Jackson, who is working with geological engineers to recreate the right mix, in a press release... (MORE - missing details)
Was Roman concrete better?