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Q: what kind of concrete do you have in China?
So the Romans made concrete that has lasted 2000 years and actually gets stronger over time and modern concrete in its best form is 120 years. Does the Chinese concrete meet standards for 70 years?
Somebody will have to explain to me how trade for swords, weapons, silk, between China and Rome and nobody copied the formula for concrete in China. Very Strange.
damn, that's a lot of concrete.
i doubt the concrete here would last 70 years on the land lease of a house here, have to keep the peasants working and replacing everything or the whole economy would crash.
The latest info indicates the concrete mentioned was extra strong due to its interaction with the seawater when it was used as jetties or piers.
https://www.washingtonpost.com/news/speaking-of-science/wp/2017/07/04/an... Added source for the morons who downvote out of ignorance and being too lazy to read.
