
April 5, 2018
Seismic Load Consideration for Retaining Walls
RISAFoundation has the capability to consider seismic loading for retaining walls.
RISACalc in the Field: A Case Study in Confidence and Convenience It was a typical Thursday morning for Emma Ruiz, PE, a structural engineer at a small consulting firm in Colorado. Her day started with a site visit to a rural school renovation—a project where her team was assessing whether a portion of the existing structure could support new rooftop HVAC units. The original framing plans were incomplete, and as Emma inspected the roof framing, it became clear that the contractor’s proposed unit placement didn’t line up with the assumed beam layout. A decision had to be made, and quickly—the rooftop unit was scheduled for delivery the following day. The Problem: Time-Sensitive Field Check Emma didn’t have time to return to the office to rebuild a full model or dig through spreadsheets for older framing checks. She needed to verify—on the spot—whether the existing W10x22 steel beam could support the new loads at the proposed spacing. The contractor waited, the facilities director asked for reassurance, and Emma pulled out her tablet. The Solution: RISACalc in Action Emma opened RISACalc, selected the beam design template, and input the beam size, span length, and newly calculated roof loads, including snow and equipment…
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RISAFoundation has the capability to consider seismic loading for retaining walls.
We are proud to introduce drastically improved solution times in RISAFoundation version 10.0. This version was updated to include multi-threading/parallel processing capability which will allow it to take advantage of multiple core processors which are becoming extremely common on the market today.
The new TMS 402-16 Masonry Code (formerly designated as ACI 530 and ASCE 5) have been added to RISA-3D v16.0, RISAFloor v12.0 and RISAFoundation v10.0.
Hot rolled steel, wood, and concrete piles are now available in RISAFoundation v10.0. The Pile Definition Editor lets the user input the pile’s properties including the pile’s shape, material, and length. For concrete piles the user has the ability to apply a custom shear and flexural rebar layout...
With Pile Design in RISAFoundation, you have the ability to define the default soil properties for the entire model. But also the Soil Definitions spreadsheet gives you control over all the soil property layers in one location.
The International Code Council just released the 2018 International Building Code (IBC) in August 2017.
The consideration of Live Load reduction is a feature that has been in RISAFloor from the very beginning. However, recent changes to the interface make it significantly easier for you to understand how live load reduction is affecting the design forces in your structure.
In RISAFoundation, you can add a vertical offset for slabs or beams. Traditionally, RISA uses centerline analysis which aligns all elements at their centerline. This is a common structural analysis assumption as the loads will get transferred to the centerline even if there is difference in the...
The CSA A23.3-14 code has been implemented in RISA-3D v15.0, RISAFloor v11.0, and RISAFoundation v9.0.
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