Internal Force Summation Tool Basics
April 9, 2013

Internal Force Summation Tool Basics

The Internal Force Summation Tool has the ability to "cut through" elements in the model and produce a summation of forces that corresponds with a given load combination. For this example, we will use the following model and review the summation of forces in the horizontal concrete plates.

Read More
Nesting Load Combinations
March 27, 2013

Nesting Load Combinations

The Load Combinations spreadsheet in RISA-3D is limited to ten columns of BLC and Factor combinations. However, there are times where you may need to include additional entries to your Load Combination. To do this, you can simply “nest” your load combinations.

Read More
Tapered Member Design Using AISC Design Guide 25
February 7, 2013

Tapered Member Design Using AISC Design Guide 25

RISA has now incorporated the tapered member design provisions from Steel Design Guide 25: Frame Design Using Web-Tapered Members written by Richard Kaehler, Don White and Yoon Kuk Kim. These code checking procedures are used whenever the AISC 13th or 14th edition steel codes are selected.

Read More
Slab Modifications in RISAFoundation
January 31, 2013

Slab Modifications in RISAFoundation

This video shows how slab modifications can used to add an opening or change the thickness of a portion of the slab in RISAFoundation.

Read More
Import DXF Drawing Grid in RISAFloor
January 7, 2013

Import DXF Drawing Grid in RISAFloor

This video shows how to import a DXF as a drawing grid in RISAFloor. To do this, you can save any drawing file as a DXF file format and import points, lines, polylines, arcs and circles into RISAFloor. This gives you the ability to create your own drawing grids with complex geometries and use this...

Read More
Updated Torsional Shape Properties
October 15, 2012

Updated Torsional Shape Properties

RISASection v2 includes updated torsional shape properties for a more accurate analysis. Check out the video below for more information:

Read More
Using Virtual Joist Girders in RISAFloor
October 10, 2012

Using Virtual Joist Girders in RISAFloor

The Steel Joist Institute (SJI) has recently put together a Virtual Joist Girder table which converts common joist sizes into equivalent wide flange beams. This topic describes how to use these Virtual Joist Girders within the RISAFloor program.

Read More