Title: A New Class of U.S. Towers Celebrate Structural Lines While Pushing Technological Boundaries
Originally published on http://ArchPaper.com/
When 875 North Michigan Avenue, formerly the John Hancock Center, opened on Chicago’s Magnificent Mile in 1969, it signaled a departure from the all-too-prevalent trabeated Miesian skyscraper. Its subtly tapered 100-story form and iconic X-frame structure, designed and engineered by Skidmore, Owings & Merrill’s Bruce Graham and Fazlur Khan, respectively, demonstrated that beauty and structural performance need not be mutually exclusive. As if taking this lesson to heart, a new crop of expressively framed towers has sprung up around the country in recent years, each one upping the ante in exuberant form and structural daring.
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