Comment on Anon is unimpressed
teyrnon@sh.itjust.works 2 months agoConcrete doesn’t last, stone does. Brick to a lesser extent.
Comment on Anon is unimpressed
teyrnon@sh.itjust.works 2 months agoConcrete doesn’t last, stone does. Brick to a lesser extent.
currycourier@lemmy.world 2 months ago
*Concrete with rebar. Roman concrete has lasted plenty long. Though the lime in it helps.
teyrnon@sh.itjust.works 2 months ago
That is true. Roman Concrete is still standing 2k years on. Ours lasts decades, maybe a century if well done.
They used ash from Mount Aetna in Sicily to make some of it. I forget the thing with the lime, how that was different than what we use?