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March 15, 2017

RISAConnection recently added a new Knee Brace (Kicker Brace) connection type.  This connection can be designed at the brace to column or brace to beam. The connection design is very similar to that of a Chevron Brace: the resultant forces at the connection are calculated using simple statics.  The appropriate limit states are then checked […]

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Posted in Technical Solutions | Comments Off on Knee Brace Connections Now Available!

February 23, 2017

RISAConnection version 7 now allows both Transverse Column Flange Stiffeners and Column Web Doublers to be applied to Beam to Column Moment Connections. Simply select Yes for each option under Connection Category in the Connection Properties grid to apply the two options simultaneously: This will be reflected in the 2D and 3D views for verification.  […]

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Posted in Technical Solutions | Comments Off on Applying Transverse Stiffeners and Web Doublers Together

August 24, 2016

Due to the nature of seismic brace design per the AISC Seismic Design Manual, the design loads for a seismic vertical braced connection are not always based on the input loads or the imported load combinations from RISA-3D integrated model. Seismic vertical brace connections must consider several possible envelops of loading. This is necessary to […]

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Posted in Technical Solutions | Comments Off on How Are Seismic Brace Connection Design Forces Determined?

August 10, 2016

WF Brace_1

RISAConnection now offers the ability to use a wide flange brace member in Vertical Brace Connections. Vertical Brace Diagonal Connection: Vertical Brace Chevron Connection: Selecting the Wide Flange Brace: Simply choose the wide flange shape for your brace from the list of available sections: Connection Results: The results report will now check each applicable limit […]

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Posted in Technical Solutions | Comments Off on Wide Flange Braces Now Available for Vertical Brace Connections!

August 3, 2016

RISAConnection version 6.0 has added HSS tubes and pipes for Diagonal and Chevron Brace Connections. Users can now model an HSS column in the Diagonal Brace Connection and an HSS beam in the Chevron Brace connection. Diagonal Brace Connection: A column can be specified as a tube or pipe for the Diagonal Brace Connection. For […]

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Posted in Technical Solutions | Comments Off on HSS Columns and Beams for Vertical Brace Connections