4 ms·
I think he is referring to base isolation which, I agree, is non-standard.
by abduhl 9y ago
I think he is referring to base isolation which, I agree, is non-standard.
- gibsonf1 9y agoI meant standard for the really big buildings under the highest stress. For lesser challenges, agreed, non-standard.
- ggcdn 9y agoThey don't base isolate tall buildings, they isolate short ones. The whole point of base isolation is period elongation. In a tall building, you're already flexible, and your column loads are tremendous. It makes no sense.