How Do Flexible Diaphragms Work on Sloped Roofs?
April 23, 2020

How Do Flexible Diaphragms Work on Sloped Roofs?

RISAFloor supports the use of flexible diaphragms on both flat and sloped roofs. Before reviewing the workflow for utilizing a flexible diaphragm on a sloped roof, it makes sense to review and understand the basic behavior of flexible diaphragms within RISAFloor. To do this, please first review the...

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RISA-3D v18.0.4 Released
April 15, 2020

RISA-3D v18.0.4 Released

Over the last few weeks, we have been working hard to add the features and functionality that our customers have requested as well fix some of the issues that have been reported. With that in mind, we have prepared a new update of RISA-3D (v18.0.4) that includes the following features as well as...

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Understanding Out-of-Plane Shear Capacity of Concrete Wall Panels
April 7, 2020

Understanding Out-of-Plane Shear Capacity of Concrete Wall Panels

When designing concrete shear walls for lateral loading, RISA-3D includes design checks for both in-plane and out-of-plane shear. In the condition where a concrete wall is under both axial tension and out-of-plane shear, the out-of-plane shear limit state for a specific region within the concrete...

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