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 (12)

September 02, 2015

How should I model beams in Revit to make them import into RISAFloor…

Revit offers two options for setting the elevation of beams. The way these...

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August 25, 2015

What does the Include Structure Weight Checkbox Do for Seismic Loads?

In the Seismic Loads dialog there is a checkbox for “Include structure...

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August 11, 2015

What Loads Transfer from RISAFloor to RISA-3D?

RIAFloor designs the gravity system and then integrates with RISA-3D to...

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August 07, 2015

How to Create a Custom Shape in RISA-3D

There are multiple options in RISA-3D and RISAFloor to create a custom...

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July 14, 2015

How to Import a Seismic Moment Connection into RISAConnection

Design for seismic connection detailing is now available in RISAConnection...

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March 25, 2015

How are Unbraced Lengths coordinated between RISAFloor and RISA-3D?

In a RISAFloor model the columns and beams can be assigned unbraced...

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March 10, 2015

What is a Semi-Rigid Diaphragm?

RISAFloor Concrete Floor Slabs can design be transferred into RISA-3D for...

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February 26, 2015

Canadian Wood Design now Available

Timber design per the Canadian CSA 086-2009 design code is now available....

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February 17, 2015

What's New for Code Updates in RISA

New codes have been added to RISA-3D v13 and RISAFloor v9, these include:...

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