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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RISAFloor (9)

October 18, 2017

Updated Steel Joist Database now Available

The Steel Joist Institute (SJI) sizes and capacities from the 44th Edition...

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October 12, 2017

British Annex (BS EN1993-1-1:2014) for Steel Design now Available

The new British Annex (BS EN1993-1-1:2014) for the European Hot Rolled...

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October 04, 2017

Eurocode Steel Design According to EN1993-1-1:2014 now Available

You can now set the L-Torque length for the EN1993-1-1:2014 code in...

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September 14, 2017

Enhanced Live Load Reduction

The consideration of Live Load reduction is a feature that has been in...

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September 12, 2017

Added Double Click Dialog for Members

RISAFloor now has the ability to double-click a member to open the Member...

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September 08, 2017

CSA A23.3-14 Canadian Concrete Code now Available

The CSA A23.3-14 code has been implemented in RISA-3D v15.0, RISAFloor...

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September 06, 2017

Canadian Wood Design Updates

The latest releases of RISAFloor and RISA-3D include the following updates...

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