
October 30, 2020
Concrete Design according to ACI 318-19 Now Available
The new ACI 318-19 concrete code has been implemented into RISA-3D v19, RISAFloor v15, RISAFoundation v13 and RISA-2D v19.
In structural steel projects, the transition from design to fabrication is a common source of coordination challenges. One of the biggest pain points? Connection design. Whether it’s miscommunication on end reactions or unclear design intent, connection assumptions can break down in the gap between engineering and detailing. By using RISA-3D and RISAConnection—and leveraging direct integrations with SDS2 and Tekla Structures—structural engineers can streamline the handoff to fabricators, reduce errors, and improve collaboration. This post walks through how to support real-world coordination using these tools in practice. 1. Model and Analyze the Steel Frame in RISA-3D Start by building your structural steel frame in RISA-3D. Define geometry, assign member sizes, apply loads, and analyze the model. Once you're satisfied with the analysis results, RISA-3D provides the connection forces—axial, shear, and moment reactions—for each member end. 2. Export Connection Forces to RISAConnection Next, send selected members and their design forces to RISAConnection. This direct integration eliminates the need to manually transfer loads or recreate geometry. Once in RISAConnection, you can: Choose from a library of shear, moment, and braced connections Model the full geometry, including bolt patterns, welds, and gusset plates View pass/fail results for each limit state, with clear failure mode…
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The new ACI 318-19 concrete code has been implemented into RISA-3D v19, RISAFloor v15, RISAFoundation v13 and RISA-2D v19.
With the release of RISAFoundation v13, you now have the ability to transfer Response Spectra Analysis reactions from RISA-3D v19. RISAFoundation now also includes additional seismic options that can be considered in the generation of Load Combinations.
The new ACI 318-19 code has been implemented into RISA-3D v19, RISAFloor v15, and RISAFoundation v13. One of the biggest changes between the ACI 318-14 code and the ACI 318-19 code is the shear contribution provided by the concrete, Vc.
Recent tests and analytical results for concrete columns have indicated that considering shear along each centroidal axis independently can be unconservative. Therefore current versions of RISA-3D, RISAFloor and RISAFoundation have included the consideration for the interaction of shear forces...
Watch the recording of our webinar to learn how new versions of RISA-3D, RISAFloor, RISAFoundation and RISAConnection provide users with expanded design capabilities, improved product integration and new features including:
In this video, we’ll take a look at the modeling and analysis of a mat slab in RISAFoundation. We’ll specify design parameters and soil properties to be able to obtain reinforcement design and view soil pressure contour diagrams.
Last week, RISA held its final Steel Building Workshop at the Aquarium of the Pacific in Long Beach, CA. The Steel Building Workshop series, spanned 7 cities over the past year and gave engineers a first hand look at how the RISA Building System can be used to design a real world project from start...
RISAFoundation v12 includes mat slab, concrete beam and pedestal design according to Eurocode 2. For more information, check out the video below.
RISAFoundation has the ability to create a single layer of reinforcement anywhere in a slab. This improvement allows for a more straightforward design of thin, lightly loaded slab-on-grade where two layers of reinforcement (top/bottom) would be unnecessary. In order to add a single layer of...
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