The damping principle of high rise multistorey buildings equipped with suspension-mass pendulums was discussed and their damping performance was investigated.
The port itself is a labyrinth of off ramps and overpasses. As we pulled in, we got a good view of the dangling cranes, massive cargo ships and just mountains upon mountains of shipping containers.
The Arecibo suspended platform cables were designed to have a factor of safety of two, meaning they were twice as strong as the expected static loading from the platform.
Additionally, it has a closed circuit television camera to keep an eye on the placement of the slung load in order to defend itself against ballistic missiles.