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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Concrete (2)

November 17, 2021

ADAPT-PT/RC Version 21.0 is now available!

New Design Code: AS3600 - 2018 ADAPT-PT/RC has been updated to include the...

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March 12, 2021

ADAPT-PT/RC Version 20.0 is now available!

Updated Design Codes: ACI 318-19 ADAPT-PT/RC has been updated to include...

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February 04, 2021

WEBINAR: ACI 318-19 Code Updates in RISA & ADAPT

RISA-3D v19, ADAPT-Builder v20, RISAFloor v15 and RISAFoundation v13 have...

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January 01, 2021

User Defined Modulus of Rupture in ADAPT-Builder

For reinforced concrete and post-tensioned concrete beams and slabs,...

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January 01, 2021

Updates to ACI Concrete Code in ADAPT-Builder

ADAPT-Builder v20 has been updated to ensure that users can take advantage...

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October 30, 2020

Concrete Design according to ACI 318-19 Now Available

The new ACI 318-19 concrete code has been implemented into RISA-3D v19,...

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October 29, 2020

Updated Shear Contribution for Concrete (Vc) per ACI 318-19

The new ACI 318-19 code has been implemented into RISA-3D v19, RISAFloor...

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October 29, 2020

Interaction of Shear Forces Acting Along Orthogonal Axes in Concrete

Recent tests and analytical results for concrete columns have indicated...

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July 14, 2020

WEBINAR: Multi-Story Post-Tensioned Building Design using…

Reinforced and post-tensioned concrete structures in today's construction...

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