I saw a video on the "Megabuild" channel on the weekend about how Singapore is massively expanding its port facilities, from the seabed up. It's - kind of amazing:
But - if you don't have time to watch that, you can view instead a good multimedia graphics explanation that appeared a couple of years ago at the Straits Times website here.
It also explains something I was curious about - wouldn't the steel reinforcement that is throughout the giant concrete caisson corrode quickly when its in seawater? Would the whole box be a crumbling mess in 20 years?
Apparently, it's solved by spraying a sealant on the sea exposed parts. Huh.
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