
September 6, 2017
Canadian Wood Design Updates
The latest releases of RISAFloor and RISA-3D include the following updates to wood design per the Canadian codes:
If you've ever wondered what it’s like to be an industrial structural engineer, let me paint you a picture: Imagine juggling a dozen problems at once—steel frames, conveyor supports, pipe racks, tank foundations—all while trying to decipher a set of drawings that look like they were faxed from 1997. And, of course, every single solution is needed yesterday. But don’t worry! With the right tools (cough RISA and ADAPT cough), navigating this daily chaos becomes a lot more manageable. So, grab your coffee (black, obviously), and let’s walk through a typical day. 6:30 AM: Morning Coffee & Evaluating Additional Loads The first email of the day: “Can we add another 10,000 lbs of equipment to the mezzanine? What about seismic drift and vibration?” Instead of a lengthy hand calculation, you fire up RISAFloor and check gravity load distribution. Exporting to RISA-3D, you analyze modal frequencies and check if the additional weight will push the structure into an uncomfortable range for human occupancy. Seismic drift is next. A quick response spectrum analysis in RISA-3D confirms that the drift is still within acceptable limits. You send your report with confidence—no major framing changes required. 9:00 AM: Field Issue - Pipe Rack Base…
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The latest releases of RISAFloor and RISA-3D include the following updates to wood design per the Canadian codes:
This video tutorial will show you how to design a base plate in RISAConnection for both gravity and lateral loads. You can automatically transfer your column end forces from RISAFloor or RISA-3D into RISAConnection.
RISAFloor v11 allows users to add parapets while allowing the program to calculate the wind loads per the ASCE 7 parapet wind loading requirements.
The new Aluminum ADM 2015 code has been added in RISA-3D v15.0. To select this code for your design, simply open the (Global) Model Settings and under the Codes tab select AA ADM1-15:
The bending and axial code checks for single angles differ somewhat from other shape types, because single angles behave quite differently in bending and compression depending on how they are braced along their length.
RISA-3D can design the Cold Formed Steel face-to-face channel and track sections. You can also get design of a Cold Formed Steel tube shape in RISA-3D. The Shape Selection dialog will allow you to model the built-up sections by selecting “Face to Face” shown below.
RISAFloor now has the ability to model a Semi-Rigid, Rigid or Flexible diaphragms to distribute lateral loads. For more information about the different diaphragm types, click on the link below.
The new CSA O86-14 code has been implemented in RISA-3D v15.0 and RISAFloor v11.0
RISAConnection v7 recently added a new Knee Brace (Kicker Brace) connection type. This connection can be designed at the brace to column or brace to beam.
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