A very interesting article I think everyone should read.
Pier Pressure May Make Or Break Spire
Chicago's 2,000-ft-tall tower would generate massive loads, and some neighbors are worried
By Tudor Van Hampton
The Chicago Spire, slated to be the Americas' tallest building at 2,000 ft, probably won't set any world records for height. But if built, it may achieve other firsts: Longest elevator run, tallest all-residential structure, most slender profile. All this would bear on one of the most extreme tall-buildi