Science, Maths & Technology
The Silver Bridge Disaster: The collapse
...system to support it while you’re removing it. So you’d actually build some false work, it would be another bridge next to the exact same bridge that you have, and then remove that false work when you’re all complete. The different techniques that we use to inspect the steel members would be, um, non-destructive testing where we can x-ray the metal or we can use a...