April 7, 2026

What's New in RISAConnection v17?

RISA is pleased to announce the release of the latest version of RISAConnection v17.0. This release delivers major updates focused on keeping your steel connection design current with the latest codes while enhancing everyday connection workflows. The release of RISAConnection v17.0 incorporates the following enhancements and updates: Design to the latest steel design codes: AISC 16th Edition (360-22) and CSA S16-19 Added HSS beam-to-HSS column moment connection design per CSA S16-19 Expanded shape coverage using the AISC historical shape database Enhanced base plate and anchorage workflows, including grout pad modeling and concrete breakout check options Design to the Latest Steel Design Codes RISAConnection v17.0 now includes connection design per the AISC 16th Edition (360-22) Steel Construction Manual, allowing engineers to confidently design steel connections in accordance with the most recent AISC Specification used in the United States. In addition, this release adds connection design per CSA S16-19, expanding RISAConnection’s capabilities for Canadian steel projects and ensuring engineers can meet current Canadian steel design requirements. For Canadian users working with hollow structural sections, the release also introduces HSS beam-to-HSS column moment connection design per CSA S16-19, simplifying the design of these increasingly common framing configurations. Expanded Shape Coverage for Existing Structures…

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Instability

March 11, 2025

ADAPT-Builder: Fixing Instability Warnings Due to Multiple Slabs

When working with ADAPT-Builder, in some models users may encounter an...

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November 13, 2019

Solving P-Delta Divergences in RISA-3D

In this video, you’ll learn how to investigate your RISA-3D model for...

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October 19, 2016

Instabilities in RISA-3D with Flexible Diaphragms

In a model that contains both RISAFloor and RISA-3D data it is possible to...

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February 23, 2012

How Do I Resolve a P-Delta Instability?

Investigating P-Delta instabilities in RISA-3D (or RISA-2D) can be...

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June 13, 2011

How Do I Avoid Instability Warnings in a RISA-3D Model?

Have you ever received an instability warning when running a three...

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May 10, 2011

Are You Receiving Instability Warnings for Your Truss Model in…

When running a truss model in RISA-3D or RISA-2D, it’s quite common to...

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March 09, 2011

How Do I Investigate My RISA-3D Model Using the Deflected Shape?

When your RISA-3D model is not behaving as you anticipated, one of the...

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January 18, 2011

How to Model Tension-Only Bracing in RISA-3D

Before reading this, be sure to check out the article linked below on...

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January 06, 2011

How to Model X-Bracing in RISA-3D

There are several tips to modeling X-Bracing within RISA-3D that can help...

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