Oi Vey!
Quote:
Originally Posted by Zerton
Exactly. Famous story in Chicago architecture schools.
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FTFY, this is basic information you should know if you have studied the history of highrise design. It's not like someone is saying "did you know the first use of the structural tube design used in the WTC was at
DeWitt Chestnut Apartments?", no this is literally about one of the most radical skyscraper designs in the last 100 years of architecture that was the tallest building in the world for decades and basically set the standard for the megatalls you see springing up all over the world today. I mean Sears, Hancock, and Aon basically show the evolution from "skycrapers" like ESB to the ridiculously tall structures we see today. WTC was basically the only other building built on this scale during that time and is unfortunately no longer with us. So if you want to understand how we got to where we are at today, you need to know that history. Hancock basically picked up where ESB left off before the depression and war and you can see a rapid evolution from that to Aon and WTC mega tubes then to the advanced multi system designs you see today. Think of it this way, Sears is basically the "core and outrigger" design everyone uses today, but the core is made of solid steel instead of concrete. There's a huge jump between that and the giant tubes like Hancock, Aon, and WTC. The cigarette analogy cuts to the very heart of that jump in reasoning that you can only go so high with a single giant tube, ultimately you need to create a honeycomb of structural systems in order to make that jump to the heights Sears and everyone since are at.
Here's a great set of slides on this history that I stumbled across:
https://www.slideshare.net/GulzarHai...0011phpapp01-1
Coolest thing about this building is how it is basically a tribute to how the Sears design set the bar for everything since. It's the same concept visually, just using the core and outrigger precast design that has evolved from the Sear's bundled tube concept. That the concrete frame is left exposed is a perfect tribute to the structural expressionism of Sears and Hancock. This building shows off it's outriggers and frame just as much as Hancock or Sears.
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