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NORTHWESTERN UNIVERSITY


THE CHALLENGE – CREATE A PARKING GARAGE FACADE WITH A SAILING THEME

Chicago’s Northwestern University was constructing a $35 million lakeside sailing and visitor center, topped with a two-story car parking facility. To conceal the vehicles within the elevated garage, two of the walls were tinted glass. For the remaining sides, the design brief called for a facade with a sailing theme that made a signature statement, while augmenting the building’s striking architectural features.

THE SOLUTION – CUSTOM-SHAPED SAILS TO DEPICT A WAVE OF WATER

PTFE membrane was used to create 94 thin-width vertically curved fabric panels set at right angles to the building. Alternate panels curved towards or away from the building. For the outward curving panels, their point of maximum extension varied in height above the ground, creating a waveform along the entire length of the structure.

Our work included design collaboration, engineering the sails and their structural support, fabrication of PTFE and fiberglass components, and installation. Each frame had multiple attachment points and their location involved intensive collaboration with the contractor. Careful planning in the final tensioning was also crucial to avoid overstressing the frames. Finally, installing the membrane panels multiple stories above ground required masterful coordination and cooperative weather.

“The fins on the east facade have a pronounced curve that endows that side of the building with a striking, wave-shaped pattern that is an unexpected delight for passing pedestrians and cyclists.” – Chicago Tribune



Download Project Profile

TENSILE MEMBRANE FABRIC FACADE FINS

LOCATION
Chicago, Illinois, USA

SURFACE AREA
929M2 / 10,000FT2

FABRIC TYPE
PTFE MEMBRANE

ARCHITECT
Perkins+Will

CONTRACTOR
Power Construction

DEVELOPER
Northwestern University

LOCATIONS

Americas

APPLICATIONS

Facades , Schools

For more details contact info@structurflex.com

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