Interesting, one of the reasons it worked is that there was no reinforcing steel in the concrete for the saltwater to react with. saltwater does nasty things to reinforcing steel.
It would be interesting to see tests on a similar modern material.
Well they say that the volcanic rock seawater combined created Crystals that grow within the concrete filling space that would otherwise open and crack.
That’s pretty cool. science has gone a long way.
I am curious how long it will take for the bacteria to fill the cracks etc.
"If you're going to do something, do it right the first time"
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Palm Springs, CA