FAQ 004472 EN
Keywords
Fully plastic Section modulus Perfectly plastic Plastic Bending moment
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![[CS] Assessment of cold formed steel sections according to Eurocode 3](/-/media/Images/netgenium/thumbnails/2/4/5/9/2/2459200.png?la=en&mw=348&mlid=7CF9488DF3FD44B2A237A71364421BA2&hash=65AA6A1F3180696154F9E8F9FF0DCC04694BFCEB)
New
CSA S16:19 Stability Considerations and the New Annex O.2
Structure stability is not a new phenomenon when referring to steel design. The Canadian steel design standard CSA S16 and the most recent 2019 release is no exception.
SHAPE-THIN determines the effective cross-sections according to EN 1993-1-3 and EN 1993-1-5 for cold-formed sections. You can optionally check the geometric conditions for the applicability of the standard specified in EN 1993‑1‑3, Section 5.2.
The effects of local plate buckling are considered according to the method of reduced widths and the possible buckling of stiffeners (instability) is considered for stiffened sections according to EN 1993-1-3, Section 5.5.
As an option, you can perform an iterative calculation to optimize the effective cross-section.
You can display the effective cross-sections graphically.
Read more about designing cold-formed sections with SHAPE-THIN and RF-/STEEL Cold-Formed Sections in this technical article: Design of a Thin-Walled, Cold-Formed C-Section According to EN 1993-1-3.
- Which cross-sections can I design with the "RF‑/STEEL Cold-Formed Sections" add-on module?
- I get the message "Torsion available -> no stability analysis possible". Why does this appear and what can I do?
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Why are my steel members not being designed for stability in RF-STEEL AISC?
- My section is classified as Class 4 and non-designable in RF-/STEEL CSA. However, my manual calculation shows a different class. Why the difference?
- I have defined temperature loads, strain loads, or a precamber. As soon as I modify stiffnesses, the deformations are no longer plausible.
- Can the properties, such as B. the cross -section or the surface thickness as well as the material of a surface of an existing element for a new element?
- How can I model and design a crane runway girder with Dlubal Software?
- I am trying to manually check the deformations from the CRANEWAY add-on module. However, I obtain great deviations. How to explain the differences?
- What should be considered when using a failure of columns under tension in the RF‑/DYNAM Pro – Equivalent Loads add-on module?
- Why is there no stability analysis displayed in the results despite the activation of the stability analysis in RF‑/STEEL EC3?
Associated Products
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Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
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Main Program
The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions
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Stand-Alone Program
Properties and stresses of thin-walled and cold-formed cross-sections
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