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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Slab

November 21, 2022

Consideration of Drop Caps and Drop Panels for Punching Shear Design

ADAPT-Builder v22 now includes the ability to model a Drop Cap and a Drop...

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February 15, 2022

New Tools for Modification of Elevated Slabs in RISAFloor ES

RISAFloor Version 16 includes new and improved tools for the modification...

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February 15, 2022

New Tools for Modification of Slabs in RISAFoundation

RISAFoundation Version 14 includes new and improved tools for the...

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December 21, 2021

Why does my slab deflection increase using ACI 318-19?

Since the release of RISAFloor v15 and ADAPT-Builder v20, both which...

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January 01, 2021

Rapid Generation of Column and Middle Strips in ADAPT-Builder

A key feature to the design process for two-way slabs, either RC or PT, in...

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January 01, 2021

Quickly Evaluate Graphical One-Way Shear Results in ADAPT-Builder

The ability to quickly evaluate results and make data-based design...

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November 24, 2020

Moment Capacity of Slabs with Base Reinforcement

In this video, the calculated moment capacity of a slab with base...

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September 03, 2020

Precompression in Two-Way Post-Tensioned Slabs

Introduction In the design of two-way post-tensioned slabs, whether it be...

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August 10, 2020

Video: Mat Slab Design in RISAFoundation

In this video, we’ll take a look at the modeling and analysis of a mat...

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