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February 15, 2017

The new Canadian Hot Rolled Steel material code is now in RISA.   CSA S16-14 Steel Concrete Code New to RISAFloor and RISA-3D is the ability to set the L-Torque length for the CSA S16-14 code. In previous versions of the Canadian code, RISAFloor and RISA-3D used the full member length as the torque length […]

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Posted in Technical Solutions | Comments Off on CSA S16-14 Steel Code Added to RISA

November 2, 2016

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

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

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

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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Posted in Technical Solutions | Comments Off on Wood Design per AWC NDS 2015 Wood Code