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Old Posted Jul 21, 2007, 8:25 PM
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malec malec is offline
Join Date: Jul 2005
Location: Ireland
Posts: 3,069
[QUOTE=Pandemonious;2963929]the tower in that rendering has a height ratio of over FIFTEEN TO ONE... almost DOUBLE what is considered the UPPER END of what is economically feasible for a supertall building (Note: I didn't say it was impossible to build).QUOTE]

Offtopic but could you explain to me something I've never been able to understand? How come there exists such a precise height to width ratio limit for supertall towers? Surely this limit only applies to office use or something where an insane amount of people are in the tower at one time and so the building needs a huge amount of elevators. What would be the limit then for an upper class res tower like the Chicago Spire which definitely doesn't need as many elevators?

I ask because people always talk about this limit when there are tons of supertall towers getting built with a ratio of 10:1 or even more. The Chicago Spire looks really thin, all those crazy tall res towers in Dubai as well, etc
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