Updated Shear Contribution for Concrete (Vc) per ACI 318-19
October 29, 2020

Updated Shear Contribution for Concrete (Vc) per ACI 318-19

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.

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Interaction of Shear Forces Acting Along Orthogonal Axes in Concrete
October 29, 2020

Interaction of Shear Forces Acting Along Orthogonal Axes in Concrete

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...

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LIVE ONLINE TRAINING: Introducing the RISA-3D Quick Start Course
October 15, 2020

LIVE ONLINE TRAINING: Introducing the RISA-3D Quick Start Course

The Quick Start Course is a 4-hour introduction to the basic features and functionality of RISA-3D that utilizes expert instruction and example models to familiarize users with the user interface as well as the main workflow of modeling, loading, analyzing, designing and documenting a model in...

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WEBINAR: What's New in the RISA Building System
October 15, 2020

WEBINAR: What's New in the RISA Building System

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:

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Designing Pultruded FRP Structures Using RISA-3D and PulCalc
October 1, 2020

Designing Pultruded FRP Structures Using RISA-3D and PulCalc

Overview FRP or Fiber Reinforced Polymer (thermoset) composite materials are becoming more and more popular in the construction world of today. There are many reasons for using composite materials, which go beyond the scope of this article but suffice to say that composite/FRP materials are now...

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CD Factor for Wood Hold-Downs
September 15, 2020

CD Factor for Wood Hold-Downs

If you have utilized Hold-Down's in RISA-3D, you have mostly likely noticed that a value of CD is reported for each selection in the database. However, it may not be clear how it is being used?

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Understanding Node Reactions for Wall Panels
September 10, 2020

Understanding Node Reactions for Wall Panels

In the Node Reaction spreadsheet, all reactions from node-based boundary conditions are reported. If you look closely at some models, there may be wall panel labels in the Node Reactions spreadsheet as well. This may cause users to ask the question:”what are these reaction values for a...

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VIDEO: Creating Custom Shapes in RISA-3D
August 27, 2020

VIDEO: Creating Custom Shapes in RISA-3D

Learn how to build custom steel and concrete shapes using RISASection and then import them into RISA-3D to incorporate them in analysis and design.

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