FAQ 002517 EN

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How can I determine the effective cross -section properties according to EC 3 or EC 9 with SHAPE -THIN?


Activate the "c/ t parts and effective cross-section properties" option in General Data of the cross-section. Then, click the "Calculation Parameters" button to open the dialog box with the same name. In the second tab, you can define the desired standard (Figure 1).

Image 01 - c/t-parts and effective cross-section properties

Then enter the elements of the cross -section. The c/t-parts are usually created automatically from the geometry conditions, but can also be created user-defined in Table 1.7 Cross-Section Parts for Classification or the corresponding dialog box (Figure 2).

Image 02 - Cross-Section Parts for Classification

In Table 2.1 Load Cases (Figure 3) or in the "Edit Load Cases and Combinations" dialog box, you can then define the internal forces in Table 3.1 or in the "Edit X-Location" dialog box (Figure 4).

Image 03 - Load Cases

Image 04 - Internal forces

After the calculation, the results of the effective cross -section are accessible by clicking the Effective Widths button (Figure 4).

Image 05 - Effective section properties


Effective cross-section Cross-section class Classification


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  • Updated 5 April 2021

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Cross-Sections Thin-Walled

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Properties and stresses of thin-walled and cold-formed cross-sections

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