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 circulation

Venues like the U.S. Olympic & Paralympic Museum introduce different challenges:

• Irregular framing grids driven by architectural geometry.
• Sloping floors and ramps that must maintain accessible slopes while carrying gravity and lateral loads.
• Large open volumes where columns and bracing need to be carefully placed.

In RISA, engineers often:

• Build the primary framing model in RISA‑3D, using user‑defined grids and custom coordinate systems to align with architectural geometry.
• Model sloping floor framing explicitly, then use RISAFloor to manage gravity load distribution to beams and columns where a floor‑based workflow is appropriate.
• Use wall and brace elements to define lateral systems that work around openings and circulation paths while meeting drift and strength requirements.
• Run serviceability checks on ramp spans and overlooks to maintain occupant comfort.

The result is a structure that supports complex forms and inclusive circulation without compromising code compliance or constructability.

3. Pavilions: modular, temporary‑to‑permanent structures

The Exchange Pavilion—conceived as a cross‑border cultural hub—brings another layer of complexity:

• Sculptural “X” geometry acting as both structure and symbol.
• Modular components fabricated in one location, assembled in another, then re‑installed permanently.
• Open, column‑free gathering spaces with limited opportunities for conventional bracing.

RISA‑centric approaches to this kind of pavilion include:

• Using RISA‑3D to model the primary frame as a 3D space frame, with members representing the sculptural ribs and primary supports.
• Applying lateral loads (wind, seismic) and checking global stability with and without temporary construction elements.
• Evaluating connection forces at key nodes and supporting detailed design with RISAConnection or exported reaction data.
• Running alternate analysis cases for different installation sites or support conditions to ensure performance as the pavilion moves.

This kind of workflow lets engineers validate that a visually driven pavilion still behaves as a robust structure under real loading.

4. One ecosystem across venue types

What ties these projects together is not the architecture—it’s the analytical and design demands:

• Irregular geometry that doesn’t fit “textbook” grids.
• High expectations for serviceability, comfort, and long‑term performance.
• The need to communicate complex structural behavior to non‑engineers.

RISA’s ecosystem gives structural engineers a single toolset to address all of these:

• RISA‑3D for global analysis, irregular geometry, and lateral systems.
• RISAFloor for efficient gravity design across multiple levels and framing types.
• RISAFoundation for foundation design under complex reactions and phasing.
• RISAConnection for designing and checking steel connections that tie everything together.

Whether you’re working on a stadium, a museum, or a pavilion, the same core workflows help you move from concept to constructible, world‑stage structures.

Explore how RISA is being used on real public venues. Check out the Exchange Pavilion in the Excellence in RISA Awards to see these workflows applied in practice.