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Education Archive

August 16, 2018

One of the support questions we get most often is, “How can I model a cable element in RISA-3D?” Cables that are straight and experience only axial loading can be easily modeled.  When modeling structures with cables (such as guyed structures) the cables can be modeled as tension only and doing so will ensure that the member […]

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Posted in Education | Comments Off on Modeling Cables in RISA-3D

August 2, 2018

For concrete column members, the load combination producing the maximum shear code check is reported in the Detail Report and corresponding Results spreadsheet. Since concrete is evaluated based on a batch solution, this can be useful when shear governs the design. RISAFloor Concrete tab of the Column Results spreadsheet: Column Detail Report: RISA-3D: Concrete Columns […]

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Posted in Education | Comments Off on Governing LC for Shear in Concrete Columns

June 28, 2018

There are many different types deflection values calculated by RISA-3D.  Let’s take a deeper dive into each. Absolute deflection is the maximum absolute value for deflection in the member local lateral y- and z-axis. In engineering terms, this value is also commonly referred to as global deflection since it encompasses the entire movement of a […]

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Posted in Education | Comments Off on A Deeper Understanding of Deflection and Member Deflection Ratios

June 14, 2018

RISAFloor does not record the applied deck in a spreadsheet.  To simplify modeling, it instead assumes a default deck is drawn within the entire diaphragm edge.  If you have an area that will be a different deck or a different span direction, then you are free to draw in over the default.  Whatever is drawn […]

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Posted in Education | Comments Off on How Can I See My Applied Decks in RISAFloor?

May 4, 2018

It has come to our attention that the recently released Windows 10 Quarterly Update (Build 1803 – Released April 30, 2018) is causing license authentication failures with our Standalone licenses. Update (June 15, 2018): The recent releases of RISA-3D (16.0.4), RISAFloor (12.0.4) and RISAFoundation (10.0.4) have solved this issue. If you have an active maintenance or […]

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Posted in Education | Comments Off on RISA and Windows 10 April 2018 (version 1803) Update