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letsgotgoing t1_it4fu5x wrote

The romans used volcanic ash in their concrete. Huge difference in how long their structures survive even harsh conditions vs modern concrete. https://www.historicmysteries.com/roman-concrete/

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TPMJB t1_it5y1m5 wrote

Has anyone tried to recreate this in modern buildings? I'm actually semi-interested in building a house

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voss749 t1_it7di7w wrote

Roman concrete has longer drying time and lower strength but it is MUCH more durable. Roman concrete was still gaining strength for DECADEs after construction was completed.

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TPMJB t1_it7fdr4 wrote

I want to make a house that will outlast me lol. This brick house I have is 50 years old and falling apart -_-

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