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What’s New Archive

November 16, 2018

The base material at the location of a weld may have less strength than the weld itself. In this case it will control the overall strength of the welded connection. In order to account for this, RISAConnection uses a weld strength reduction factor (α) which we call the Base Material Proration Factor. This factor is […]

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November 16, 2018

RISAConnection assumes by default that your vertical brace connection is a one-sided connection without any outside influence or load transfer from other connected elements.  Using this assumption, the design shear and axial force at the beam to column sub-connection is determined using simple statics per the Uniform Force Method in the AISC Steel Design Manual. […]

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Posted in Technical Solutions, What's New | Comments Off on How to Include Transfer Forces in your Vertical Brace Connection

November 16, 2018

Wide Flange beam to HSS Tube column moment connections can now be designed in RISAConnection version 9 with both the US and Canadian design standards.  HSS tubes may be selected as the supporting column member on either of the two moment connections: Column/Beam Direct Weld Moment Connection Column/Beam Flange Plates Moment Connection When either of […]

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November 15, 2018

Wide Flange Beam to HSS Tube Column Moment Connections can now be designed in RISAConnection version 9.  HSS tubes may be selected as the supporting column member on either of the two moment connections: Column/Beam Direct Weld Moment Connection Column/Beam Flange Plates Moment Connection You may select rectangular or square tubes and all design codes […]

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November 8, 2018

In RISAFoundation v11.0 there are two new tabs in the Safety Factors results spreadsheet that breakdown the slab’s stabilizing and destabilizing forces for each category. The new Overturn/Resist by Category and Sliding/Resist by Category tabs make it easy to understand how the program calculates the safety factor results for a mat slab demand and resisting […]

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Posted in What's New | Comments Off on Mat Slab Overturning and Sliding Safety Factors