U.S. Bank Stadium in Minneapolis, Minnesota. © Joe Aker, Aker Imaging.
The U.S. Bank Stadium is designed to host a variety of events, including NFL football, MLS soccer, NCAA basketball and baseball, high school sports, motocross races, concerts and conventions. At 1.7 million square feet, the stadium holds 66,200 seats, including 8,200 club seats and 131 suites.
Thornton Tomasetti’s structural engineering, façade engineering, construction engineering and kinetic mechanization design teams collaborated with the architect to design an innovative building that features a series of operable panels in a glass end-wall that pivot to provide natural ventilation and access to the west plaza.
The design team utilized Thornton Tomasetti’s parametric modeling techniques to perform slope optimization studies that have created one of the lightest structural steel stadium roofs in North America. The steeply lofted steel roof, a principal architectural feature, is designed to shed the Minnesota snow. A single monumental steel ridge truss spanning 970 feet along the length of the field will provide the primary support for the roof structure. On one side of the ridge, the roof is clad with a clear ETFE system. At 240,000-square-feet, the transparent roof is the largest ETFE roof in the United States. The transparency will afford panoramic views of the outdoors, allow natural light to infuse the interior of the stadium, and produce additional solar gain to warm the stadium. Excess heat vents out of the stadium’s peak as part of a coordinated sustainability strategy. The other side of the ridge features a traditional steel deck and membrane roof.
The seven-level superstructure consists of precast concrete seating units and cast-in-place concrete frames and concourses. The stadium includes field-level suites and club seats and a lower suite level that will be the closest to the field of any NFL venue.
The building will apply for LEED certification.
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