FAQ 004955 EN

Helpful Questions & Answers

  • Frequently Asked Questions (FAQs)

How can I perform the stability analysis in RF‑/STEEL EC3 for a flat bar supported on edges, such as 100/5? Although the cross-section is rotated by 90° in RFEM/RSTAB, it is displayed as lying flat in RF‑/STEEL EC3.

Answer

In RF‑/STEEL EC3, the uniaxial bending stress is always related to the local y-axis of a member and the local y-axis of a member is always assumed as the major axis in the case of symmetric cross-sections, therefore it is only possible in such a case to change the cross-section description from "100/5" to "5/100", see the image. Thus, the stability analysis is performed accordingly.

Image 01 - Changing Cross-Section Description

Keywords

Flat bar Stability Buckling Edgewise

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  • Updated 13 April 2021

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