The Aluminum Design Manual (ADM) 2020 was released in February 2020. This latest standard was integrated in the RFEM/RSTAB add-on module RF-/ALUMINUM ADM.
KB 001706 | Aluminum Design Manual (ADM) 2020 Updates in RF-/Aluminum ADM
Links
References
- Kiefer, H: Windlasten an quaderförmigen Gebäuden in bebauten Gebieten, 2003
- Aluminum Design Manual 2015
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The Aluminum Design Manual (ADM) 2020 was released in February 2020. The ADM 2020 gives guidance for both the allowable strength design (ASD) and load and resistance factor design (LRFD) for aluminum members to ensure reliability and safety for all aluminum structures. This latest standard was integrated in the RFEM/RSTAB add-on module RF-/ALUMINUM ADM. The text below will highlight the applicable updates relevant to the Dlubal programs.
In the case of open cross-sections, the torsional load is removed mainly via secondary torsion, since the St. Venant torsional stiffness is low compared to the warping stiffness. Therefore, warping stiffeners in the cross-section are particularly interesting for the lateral-torsional buckling analysis, as they can significantly reduce the rotation. For this, end plates or welded stiffeners and sections are suitable.
The support conditions of a beam subjected to bending are essential for its resistance to lateral-torsional buckling. If, for example, a single-span beam is held laterally in the middle of the span, the deflection of the compressed flange can be prevented, and a two-wave eigenmode can be enforced. The critical lateral-torsional buckling moment is increased significantly by this additional measure. In the add-on modules for member design, different types of lateral supports on a member can be defined using the "Intermediate supports" input window.
Using ASCE 7-22 for wind load calculations in RFEM and RWIND involves several specific steps to ensure that your structural designs meet the latest standards provided by the American Society of Civil Engineers. Here’s a step-by-step guide on how to incorporate ASCE 7-22 wind load provisions into RFEM and RWIND simulations:
In RFEM, oriented strand board (OSB) material is available for the USA and Canada. The material parameters are taken from the "Panel Design Specification manual".
The "Bracing in Cells" function allows you to generate diagonal bracing with just a few clicks. You can find this feature under Tools → Generate Model – Members → Bracing in Cells.
In RFEM and RSTAB, you can visualize the flow field quantities of pressure, velocity, turbulence kinetic energy, and turbulence dissipation rate for the wind simulation.
The clipping planes are aligned with the respective wind direction.
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
How can I change the language for web requests (API) of Geo-Zonen_Tool?
How can I set the loading and standards for web requests (API) of the Geo-Zone Tool?
Is it possible to use SHAPE-THIN 9 files in RFEM 6 and RSTAB 9?
Is it possible to use the general method according to EN 1993‑1‑1, 6.3.4 to design structural components with an asymmetric cross-section in the Steel Design add-on for RFEM 6 or RSTAB 9?
Why does the integration/support of my building in the ground below the ground level not work?
How can the NDS and CSA O86 factors be manually adjusted for consideration in the Timber Design add-on?
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