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Home Support & Learning Learning Videos FAQ 004236 | In RF-CONCRETE Members, I get an error message saying that the steel cross-section is not designable. What is the reason for this message?
FAQ 004236 | In RF-CONCRETE Members, I get an error message saying that the steel cross-section is not designable. What is the reason for this message?
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First Steps with RFEM
21 November 2019
001023
Question
In RF-CONCRETE Members, I get an error message saying that the steel cross-section is not designable. What is the reason for this message?Answer
Please only select the members with the reinforced concrete cross-section for the design in Window 1.6. If selecting members that are made of steel, for example, you will get the mentioned error message.
Keywords
Dlubal FAQ Reinforced concrete Cross-section Material Steel Error 2379 Invalid Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal
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Models to Download
Knowledge Base Articles
New
RF-CONCRETE Members for RFEM or CONCRETE for RSTAB propose an automatically created reinforcement to the user, if the ‘Design the provided reinforcement’ option is selected in Window 1.6 ‘Reinforcement’.Screenshots
Product Features Articles

Material Model Orthotropic Masonry 2D
The material model Orthotropic Masonry 2D is an elastoplastic model that additionally allows softening of the material, which can be different in the local x- and y-direction of a surface. The material model is suitable for (unreinforced) masonry walls with in-plane loads.
Frequently Asked Questions (FAQ)
- Why can I no longer display the intermediate results in RF‑CONCRETE Members?
- Can I use RF‑CONCRETE Surfaces to determine the steel mass for the inserted reinforcement?
- When opening an RFEM file, the entries in RF‑CONCRETE Surfaces are lost. Is it possible?
- Where in RF‑CONCRETE Members can I display the location of the neutral axis or the neutral axis depth of concrete for a cross-section?
- Where can I activate the reduction of shear forces or moments on a support in RF‑CONCRETE Members?
- I have activated the minimum longitudinal reinforcement in RF‑CONCRETE Members. Will this be displayed in the graphical display of the required reinforcement at the top or bottom?
- In RF-CONCRETE Members, I get an error message saying that the steel cross-section is not designable. What is the reason for this message?
- How can I create a curved or curved section?
- How are the signs to be interpreted for the release results of the line release and line hinges?
- Is it possible to manually specify a longitudinal reinforcement for the design in RF-PUNCH Pro?
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