Earlier quoted context omitted.
I can’t help but think it must be about protecting the aircraft rather than protecting the surface, as in ukraine roads are commonly built out of reinforced concrete slabs, and somewhat less commonly, but still frequently, they are built to take the weight of tanks, and are wide and straight enough to accommodate even large aircraft - there’s a strip of highway north of Mariupol that was originally built to accommoda…
Sorry to bother you on a random comment, but is your airship thing still current?
It’s going to take a while to go anywhere, but in the meantime I’m working with a couple of aerospace engineer friends/family on solidifying the concept. If nothing else I’m having fun figuring out how to make something the size of a skyscraper fly with next to no energy expenditure.