Steve Freihon/Related-Oxford
New York, New York
Highlights
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The design called for a concrete core and super-columns connected by mega-outriggers. A trio of pedestrian bridges containing steel truss outriggers to create greater resistance to wind and seismic forces would have tied the two halves of the tower together.
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The tower’s sharp edges were an important aspect of the architect’s aesthetic vision, but intensified wind loads caused by vortex shedding on the upper levels. To reduce the vibration, we developed a series of open slots on four corners that was structurally efficient and consistent with the design vision.
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Splitting into two interconnected trapezoidal sections, the four-level-high openings create an alternative path for wind, improving aerodynamic performance while enhancing the structure’s visual appeal.
