How do we construct things in water? Things like bridges or roads that need support pillars that go into the water. If they’re made from concrete, how does the concrete ever dry if it’s underwater? If it’s in the ocean, does the very bottom of the pillar touch the seafloor?
In: Engineering
Usually they build caissons, which are temporary dams that seal to the bottom or to a sealed bottom of some sort, then they pump out the water. That’s not absolutely necessary, however, as concrete can be poured under water and will cure under water just fine. It’s the people that don’t like being under water.
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