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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June 17, 2016

Why Do Seismic Brace Story Forces Change My Existing Code Checks?

It is possible for seismic (OCBF or SCBF) vertical braced connections to...

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May 25, 2016

SCBF Seismic Brace Connections

Vertical Diagonal Brace connections and Vertical Chevron Brace connections...

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April 22, 2016

Seismic Braced Frames in RISAConnection v6

This webinar shows users how to design and detail brace connections...

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April 19, 2016

OCBF Seismic Brace Connections

Vertical Diagonal Brace connections and Vertical Chevron Brace connections...

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March 31, 2016

OCBF & SCBF Seismic Brace Connections now Available

RISAConnection v6 has introduced the ability to design vertical brace...

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March 26, 2016

Improved Wall Panel Results

Wall Panel Forces Spreadsheet The power of RISA is the easy to access...

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March 18, 2016

How Do I Find A Failing Member in the Model?

You may find that when looking at the Code Check spreadsheet that a given...

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March 10, 2016

Importing Recorded Seismic Ground Motions

The Pacific Earthquake Engineering Research center (PEER) has a large...

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March 03, 2016

How to Thicken a Slab

RISAFloor ES allows you to model concrete slabs of any thickness. However,...

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