Risa Tips & Tricks: How to Use Our Structural Analysis Software

September 24, 2026

One Model, Many Materials: Understanding Multi-Material Structural Design with Integrated Design Tools

Modern building design is increasingly defined by hybrid systems. Engineers are combining multiple building materials within a single structure to meet demands for efficiency, constructability, and performance. This approach allows each material to be used where it performs best, but it also introduces a level of complexity. Coordinating different material behaviors within one structural system and load path is no longer a niche challenge. It is becoming standard practice. What is Multi-Material Structural Design Multi-material structural design is the practice of using different building materials in one coordinated structural system so that load paths, stiffness, and movement are all working together. In real projects, this shows up as: Mass timber framing on top of a concrete podium Steel transfer beams carrying concrete slabs above Masonry cores tied into wood gravity framing These systems are now common in commercial and residential projects, especially as teams look for more sustainable and efficient buildings. Why Multi-Material Design Matters Using multiple materials allows engineers to fine-tune structural systems and capitalize on the best attributes of each material. Multi-material structural systems help you: Provide stiffness where you need it, such as at a concrete core Allow for long spans and complex geometries by utilizing steel…

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Featured (4)

October 17, 2025

The Hidden Tension Tie: When Rigid Diaphragms Meet Sloping Members

Rigid diaphragms in RISA-3D are a powerful way to model how floor systems...

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September 16, 2025

What’s New in ASCE 7-22?

The ASCE/SEI 7-22 Minimum Design Loads and Associated Criteria for...

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September 16, 2025

What’s New in ANSI/AISC 360-22?

The ANSI/AISC 360 Specification for Structural Steel Buildings is the...

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September 09, 2025

How to Use Multi-Period Response Spectrum Data for Seismic Load Generation?

With the adoption of ASCE 7-22, the concept of a multi-period response...

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September 04, 2025

Understanding Sign Conventions for Members Across RISA Software

RISA software products use different sign conventions depending on the...

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September 04, 2025

Understanding Sign Conventions for Wall Panels & Plates in RISA

While members (beams and columns) follow conventions tied to their local...

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Slab vs spread footing in RISAFoundation
July 29, 2025

Slab vs. Spread Footing in RISAFoundation: What's the Difference?

We often get asked: “Should I model my foundation as a slab or a spread...

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July 22, 2025

Designing Light-Framed Structures: Tips for Wood & CFS

Light-framed construction has become increasingly prevalent in mid-rise...

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July 17, 2025

How RISA-3D Handles Wall Surface Loads at Openings

When designing shear walls in RISA-3D, it’s common to add surface...

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