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November 2, 2016

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Seismic Forces are generated automatically using seismic parameters R, SD1, and SDS in the Seismic Load Generator when using the Director to go from RISAFloor to RISA-3D or when inserting Seismic Loads on a rigid diaphragm in RISA-3D. And Seismic Load Combinations can be generated using the seismic parameters ρ, Ωo, and SDS and applied […]

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Posted in Technical Solutions | Comments Off on Basic Code Terms for Seismic Behavior and Why We Use Them

March 18, 2016

How Do I Find a Failing Member5

You may find that when looking at the Design Results spreadsheet that a given member is failing in design. Here is an example where a concrete column is failing in shear. However, for a large model it may be difficult to know where this specific member is located. A quick way to locate this model is to use an option from the Design Results spreadsheet.

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January 7, 2016

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Mechanically graded wood materials have been added for the AWC NDS 2015 (tag the AWC NDS 2015 Wood Code blog) design code per Table 4C, and CSA O86-14 design code per tables 6.3.2 and 6.3.3. This specification includes the updated MEL and MSR design values. A Mechanically Graded material can be selected in the Material […]

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December 22, 2015

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The latest versions of RISA-3D and RISAFloor now incorporate the AWC NDS 2015. The new provisions have been implemented in RISA-3D version 14.0 and RISAFloor version 10.0 and can be utilized by selecting the AWC NDS-15: ASD from the Wood dropdown menu on the Codes tab of Model Settings. After solution, the results are available in the […]

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December 17, 2014

Customize_5

RISA-3D, RISA-2D, RISAFloor, and RISAFoundation all have the ability to be customized for your use. If you have common materials, load combinations, preferences, toolbar buttons, etc. that you like to use in the majority of your projects you can customize RISA to save these selections for all new model files you create in the future. […]

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