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September 14, 2016

K Factors for Wood Walls3

Recently added to RISA-3D and RISAFloor is the ability to specify a K Factor other than 1.0 for wood walls.  This K is then used to adjust the axial compression capacity for studs and chords. In RISA we generally recommend that walls are drawn their full floor to floor height, so the proper stiffness can […]

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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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October 15, 2015

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This video will show you how to layout wood diaphragms in RISAFloor and get the design and deflection results in the lateral model in RISA-3D.

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September 22, 2015

Canadian Wood Feature

You may notice discrepancies in the wood design values when comparing RISA with the NDS 2012 and older versions of the code. The American Wood Council updated the wood design values in the Addendum, which supersede the values used in the NDS 2012 and previous versions of the Design Values for Wood Construction. The design […]

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