Designed with Steel Design for RSTAB 9
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It is now possible to keep the results of the steel, steel joint, aluminum, and timber design despite changing the design properties and settings (see the setting in the image). The results are thus not deleted, but marked as invalid.
When restarting the design, only the invalid design results are updated. If objects are subsequently added to the design, they are additionally designed when restarting the design, while the previously calculated results remain valid.

In the Aluminum Design add-on, you can consider the localized strength reduction in the HAZ due to transverse welds when performing design according to EN 1999-1-1.
Moreover, the Effective Sections add-on in RSECTION allows you to calculate the effective cross-section according to EN 1999-1-1, taking into account the transverse weld.

The Aluminum Design add-on provides you with further options. Here you can also design general cross-sections that are not predefined in the cross-section library. For example, create a cross-section in the RSECTION program and then import it into RFEM/RSTAB. Depending on the design standard used, you can select from various design formats. This includes, for example, the equivalent stress analysis.
With a license for RSECTION and "Effective Sections", you can also perform the design checks while taking into account the effective cross-section properties according to EN 1993‑1‑5.

You know for sure that when connecting tension-loaded components with bolted connections, you need to consider the cross-section reduction due to the bolt holes in the ultimate limit state design. The structural analysis programs also have a solution for this. In the Aluminum Design add-on, you can enter a member local section reduction for this. Enter the reduction of the cross-section as an absolute value or as a percentage of the total area at all relevant locations.