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September 13, 2017

In RISAFoundation v9, you can add a vertical offset for slabs or beams.  Traditionally, RISA uses centerline analysis which aligns all elements at their centerline.  This is a common structural analysis assumption as the loads will get transferred to the centerline even if there is difference in the sizes. In certain circumstances, it becomes necessary […]

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Posted in Technical Solutions, What's New | Comments Off on Slab and Beams Offset in RISAFoundation

March 3, 2016

RISAFloor ES allows you to model concrete slabs of any thickness.  However, there might be sections of the building that require a thicker slab.  The icon is shown below and it will allow you to draw a Polygon or Rectangular shape. You can use this tool to change the thickness anywhere in the slab. The […]

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Posted in Technical Solutions | Comments Off on How to Thicken a Slab in RISAFloor ES

February 11, 2016

Construction joints involving shear keys or dowels are common practice for slab-on-grade and mat foundations. Examples of this detail are shown below: When two different slab elements touch each other in RISAFoundation they are assumed to have a full moment connection, as though they were placed monolithically. However, it is easy to specify a pinned […]

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Posted in Technical Solutions | Comments Off on How Can I Model Slabs that are Pinned to Each Other?

February 4, 2016

In RISAFloor ES, you can quickly thicken the slab in the column strip area with the Drop Panel tool.  The column strip is typically the area of highest demand so increasing the thickness may help optimize the concrete usage. After the support lines are drawn, you can modify columns strip depth by clicking on the […]

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Posted in Technical Solutions | Comments Off on How to Add a Drop Panel

December 2, 2015

In this video, you can see all the methods to create a thickened slab in RISAFloor ES. This includes drop panels, shear caps and multiple slabs thicknesses on one floor.

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Posted in Technical Solutions | Comments Off on Adjusting Slab Thickness in RISAFloor ES