Sun Life Stadium Office Expansion in Miami Gardens, Florida. Photos courtesy Bill Cobb/SkylineScenes.com (left) and Arquitectonica (right).

Sun Life Stadium Office Expansion



Thornton Tomasetti provided structural design services for the two-story concrete-framed (beam and slab) office expansion building. The 33,000-square-foot addition is separated from the existing stadium by an expansion joint at the floors and roof. The structure employs a two-way slab system supported by beams at the column lines, which doubles as the building’s moment frame for lateral wind loading.

Due to the unalterable underground utilities of the existing stadium, the expansion building sits on a strip footing foundation and, at one location, a transfer grade beam. A 20-foot concrete Vierendeel frame cantilever between the upper floor and roof supports the building over the existing stadium’s lower concourse.

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Stadiums & Arenas

With hundreds of sports projects in our portfolio, we have the experience and expertise to tackle any project, anywhere in the world. Baseball, football, soccer, basketball, hockey, softball, cricket and tennis, along with track and field, aquatics and equestrian sports facilities – we’ve done them. And we’ve collaborated with the world’s premier architects and design teams, building strong relationships to deliver great projects.

Structure plays a more visible role in sports facilities than in almost any other building type. The distinctive visual identity of a stadium or arena is often expressed through the exposed structure: the soaring, seemingly weightless shape of a canopy or the different configurations of a retractable roof or movable exterior wall. The structural system must also support a first-class patron experience and deliver maximum efficiency and economy. Our structural engineers seek out creative structural design solutions that offer an optimal balance for the seemingly incompatible goals of economics, aesthetics and function.