Answer:
The load cases marked in red, such as LC4 in the image, cannot be designed: Such a load case contains either no loading, or imperfections only. When selecting the load case, a corresponding warning appears.
Load Cases Displayed in Red in STEEL EC3
Why are some load cases displayed in red in RF-STEEL EC3?
Author
Ing. Martinec takes care of customer service and student licenses in the Czech office.
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Knowledge Base
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Knowledge Base
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The individually defined printout reports in an RFEM or RSTAB model can be displayed in different ways.
The interface to Autodesk Revit is installed automatically during the installation of RFEM 5 or RSTAB 8. Subsequent installation of the plug‑in is possible through the execution of Revit-Installer.exe.
In the age of BIM, data exchange between the various disciplines of structural engineering is becoming increasingly important. Since each software has its own specifications with regard to the description of cross-sections and materials, RFEM and RSTAB offer a conversion table (mapping file).
The ISM file (ISM = Integrated Structural Modeling) in RFEM and RSTAB provides an interesting option for exchanging data. If you export a model to this data format, you can view and analyze it with the free ISM viewer from Bentley.
The direct interface with Revit allows you to update the Revit model according to the changes you have made in RFEM or RSTAB. Depending on the modification, the Revit objects may have to be regenerated (deleting the object and subsequent regeneration). The regeneration is performed on the basis of the RFEM/RSTAB model.
If you want to avoid this regeneration, activate the check box 'Update only materials, thicknesses, and sections'. In this case, only the properties of the objects will be adjusted. Changes different from those in material, surface thickness, and section are, however, not considered in this case.
When exchanging data with Advance Steel using *.smlx files, the interface is detected automatically. This means that *.smlx files can be created even if no version of Advance Steel is installed.
Using the direct interface of RFEM 6 / RSTAB 9 with BricsCAD, you can import and export nodes and lines.
Furthermore, you can export different objects (for example, cross-sections) from RFEM 6 / RSTAB 9 to separate layers in BricksCAD.
Further features include the export of a deformed FE mesh and dimension lines.
The DSTV product interface for steel structures is available in RFEM 6 / RSTAB 9 for transferring pure member structures (including loads, load cases, load combinations, imperfections).
The DSTV interface allows you to exchange data between RFEM 6 / RSTAB 9 and the programs like "Bentley ProStructure 3D", "Tekla Structures", "Bocad", "Intergraph Frameworks", "Graitec Advance Steel", "Cadwork", and many others.
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I am trying to import a model from cadwork. Unfortunately, I cannot correctly transfer the cross-sections from cadwork to RFEM. Do you have any tips?
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When trying to import a model from AutoCAD into RFEM, I am getting the error message: "3DSOLID or REGION entity detected. Those entities are written in binary format, so import is not possible." What does this mean?
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