Structural design of footing with diagonal (EN)

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Learn how to use IDEA StatiCa Connection to design and code-check a structural steel connection, an example is a column footing with diagonal.

1 New project

Let’s launch IDEA StatiCa and select application Connection. Create a new project by selecting a starting template closest to the desired design, filling in the name, and choosing the design code and default material properties – S 235.

2 Geometry

A column and a base plate with anchors were automatically added.

First, modify the column offset in ex direction.

Then add a new member.

And change its cross-section to K80/80/4.

Change the member pitch and set the model type to N-Vy-Vz since this member will act in tension/compression only as a pinned bracing diagonal.

Add another member, change its cross-section, and modify its properties.

Check the geometry of all added members.

3 Load effects

One load effect was automatically added. Input the values of internal forces into the chart. More load cases can be added.

4 Design

The manufacturing operation Base plate was already added. Just update some of its properties.

Go on and add another manufacturing operation and select the End Plate.

Modify the properties of the operation EP1.

Now, add the Connecting Plate.

And redefine its properties.

Next, cut one corner of the connecting plate CPL1. For this, go to the Editor - Gusset plate and create a Chamfer at corner number 2.

Finish the design with the operation Stiffener.

And set the correct properties of STIFF1.

Let’s check the final design of the joint.

5 Check

Start the analysis by clicking Calculate in the ribbon. The analysis model is automatically generated, the calculation based on CBFEM is performed, and we can see the Overall check displayed together with basic values of check results.

Go to the display tab Check, and there activate Stress in concrete and Mesh from the ribbon to get a full picture of what is happening in the joint. Open the tab Concrete block to see the detailed results for this item.

6 Report

At last, go to the tab Report. IDEA StatiCa offers a fully customizable report to print out or save in an editable format.

You have designed, optimized, and code-checked a structural steel joint according to Eurocode (EN).

File di esempio

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