Diaphragms
10 results found
February 26, 2021 | Tips & Tricks
Video: Using Various Diaphragm Types in RISAFloor
Watch this video to learn how to use various diaphragm types in the same RISAFloor model. Read More
December 11, 2020 | Tips & Tricks
Accidental Torsion for Semi-Rigid Diaphragms in RISAFloor
The latest releases of RISAFloor (Version 15.0.1) and RISA-3D (Version 19.0.1) include consideration for accidental torsion and eccentric loading for semi-rigid diaphragms. Read More
April 23, 2020 | Tips & Tricks
How Do Flexible Diaphragms Work on Sloped Roofs?
This article will show you how to define a flexible diaphragm on a sloped roof. The user has the option to consider a Ceiling Diaphragm for the load attribution, or they may choose not to consider a Read More
June 20, 2019 | Tips & Tricks
Understanding Wall Panel Forces with Rigid Diaphragms
Rigid diaphragms represent a plane of very high rigidity and distribute load to elements which connect to them solely based on the stiffness of the elements. Read More
January 17, 2019 | Tips & Tricks
RISAFloor & RISA-3D: Two Buildings on the Same Podium
With RISAFloor and RISA-3D it is possible to create a structure with two buildings supported on the same podium. Read More
April 12, 2017 | Tips & Tricks
Semi-Rigid Diaphragms now Available
RISAFloor v11 now has the ability to model a Semi-Rigid, Rigid or Flexible diaphragms to distribute lateral loads. Read More
October 15, 2015 | Tips & Tricks
Using RISAFloor to Design Wood Diaphragms
This video will show you how to layout wood diaphragms in RISAFloor and get the design and deflection results in the lateral model in RISA-3D. Read More
April 15, 2015 | Tips & Tricks
How Do I Detach a Wall Panel From a Diaphragm?
This feature is useful if you have a rigid diaphragm defined in the program but have a portion of the structure that is not a part of that rigid diaphragm. This is common for balloon framed walls or Read More
March 10, 2015 | Tips & Tricks
What is a Semi-Rigid Diaphragm?
RISAFloor Concrete Floor Slabs can design be transferred into RISA-3D for lateral design using either a Rigid Diaphragm or Semi-Rigid diaphragm. In RISA-3D, the wind and seismic loads are calculated Read More
September 13, 2012 | Tips & Tricks
How Can I Use a Wall for Shear Only (no Bearing) in RISA-3D?
Let’s consider the example of the frame shown below. Suppose there is a diaphragm present at the framing level, and that the wall shown is intended only to handle the lateral loads. Read More