
October 2, 2017
Using Framing Elevation Views
Case Study: Designing for Strength at Every Level When a Midwest engineering firm was tasked with designing a 120,000-square-foot manufacturing facility, they knew the challenge wasn’t just about steel and concrete—it was about integration. The structure needed to support overhead cranes, custom conveyor systems, rooftop equipment, and a range of vibration-sensitive machinery. On top of that, the site’s soil profile required deep foundations and a mat slab in high-load zones. Instead of managing this complex design puzzle across multiple platforms, the firm turned to the full RISA Suite—using RISA-3D, RISAFloor, and RISAFoundation in tandem. The result? A seamless, accurate, and time-saving design process that allowed the firm to deliver ahead of schedule. Steel Superstructures Made Simple With RISA-3D, the team quickly modeled the facility’s steel framing system, including built-up columns, multi-bay trusses, and lateral bracing. Loads from the cranes, roof units, and custom mezzanines were easily applied using RISA’s versatile load generator and load combination tools. Key wins: Modeled the entire lateral and gravity system in a single file Ran multiple load scenarios including seismic, crane surge, and equipment-induced vibration Used RISA’s code checks to validate steel member sizing under heavy, variable loads Floor System Integration with RISAFloor With steel…
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RISAFloor now has the ability to double-click a member to open the Member Information dialog. This feature has been in RISA-3D but now it is available in RISAFloor. Double click any member in your model and the Member dialog box opens. It has three tabs: General, Properties and Design.
RISAFloor v11 now includes the ability to create custom column strip widths in order to optimize the design of slab reinforcement.
RISAFloor ES allows you to model concrete slabs of any thickness. However, there might be sections of the building that require a thicker slab. The icon is shown below and it will allow you to draw a Polygon or Rectangular shape.
In RISAFloor ES, you can quickly thicken the slab in the column strip area with the Drop Panel tool. The column strip is typically the area of highest demand so increasing the thickness may help optimize the concrete usage.
The new ACI 318-14 code has been implemented into RISA-3D V14, RISAFloor V10, and RISAFoundation V8. One of the big changes between the ACI 318-11 and the ACI 318-14 was to minimum flexural reinforcement for one-way and two-way slabs, as well as foundation elements.
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