3 ms·
that does look like a lot of concrete. I suppose ideally it would be a shell filled with the dirt removed to create the hole, even then it would be substantial
by omegabravo 7y ago
that does look like a lot of concrete. I suppose ideally it would be a shell filled with the dirt removed to create the hole, even then it would be substantial at 150m in diameter (the smaller one)
- marsokod 7y agoYou create the rings of concrete around the cylinder while you are carving it, so actually not so much concrete. I am puzzled about the engineering required for the base, but on the paper it looks quite neat.