Tips & Tricks | Diaphragms

July 15, 2026

How Structural Engineers Design Iconic Public Venues?

World Cup years shine a spotlight on stadiums, but the structural challenges behind world‑stage venues show up across project types: museums, pavilions, and civic spaces. These are places where architecture is ambitious, public experience matters, and the structure has to quietly do a lot of work. Here’s how RISA users are tackling three very different—but related—venue types. 1. Stadiums: complex frames and evolving programs Stadium projects like Toyota Stadium improvements must handle: Tiered seating bowls with varying rake angles and framing systems. Long‑span roof or canopy systems supporting cladding, rigging, and snow/wind loads. Ongoing program changes (premium seating, new amenities, media spaces). A typical RISA workflow: Lay out gravity framing and seating geometry in RISAFloor, including slab edges, raker beams, and concourse framing. Transfer to RISA‑3D to define lateral systems (braced frames, moment frames, shear walls) and apply wind/seismic loads. Check drift, member demand/capacity, and diaphragm behavior across the bowl and concourse levels. Use RISAConnection to design key steel connections (moment frames, base plates, splices) once global behavior is acceptable. Because the entire system lives in one ecosystem, teams can see how changes in seating layout or roof configuration affect both strength and serviceability. 2. Museums: irregular geometry and accessible…