We have definitely built concrete structures that have lasted a lot longer than 30 years. This was a very particular form of concrete construction that was apparently only a few decades old when the issues were discovered.
I mean, building one form of concrete structure doesn’t give us a complete understanding of every possible new variant invented and their tradeoffs.
We have definitely built concrete structures that have lasted a lot longer than 30 years. This was a very particular form of concrete construction that was apparently only a few decades old when the issues were discovered.
I mean, building one form of concrete structure doesn’t give us a complete understanding of every possible new variant invented and their tradeoffs.