
November 16, 2017
Area Load Query Tool
RISAFloor v11 includes the new Area Load Query tool which allows users to visually inspect the area loads applied to a floor level.
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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RISAFloor v11 includes the new Area Load Query tool which allows users to visually inspect the area loads applied to a floor level.
Basic Description Pattern based skip loading has recently been added into RISAFloor beam design. This can be turned on or off using the checkbox in the Solution tab of the (Global) Model Settings shown below.
The Load Combination Generator in RISA-3D can now include earthquake loads in load combinations to reflect Response Spectra Analysis.
The International Code Council just released the 2018 International Building Code (IBC) in August 2017.
The Steel Joist Institute (SJI) sizes and capacities from the 44th Edition Standard Specifications Load Tables and Weight Tables for Steel Joists and Joist Girders are now available in RISAFloor v12. There were no changes from the 43rd to the 44th Editions so you’ll see that these two are grouped...
The new British Annex (BS EN1993-1-1:2014) for the European Hot Rolled Steel material code is now available in RISA-3D v16 and RISAFloor v12.
Stainless Steel provisions are now available in RISA-3D v16 according to the AISC Design Guide 27 - Structural Stainless Steel.
RISAFloor ES v12 now includes the ability to manually define user reinforcement in concrete slabs.
You can now set the L-Torque length for the EN1993-1-1:2014 code in RISA-3D and RISAFloor. In previous versions of the Eurocode, RISAFloor and RISA-3D used the full member length as the torque length when calculating torsional buckling. Now, per EN1993-1-1:2014 Section 13.3.2, we’ve added the...
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