We provide hints and tips to help you get started with the basic program RFEM.
The most important formulas of a civil engineer Part 2
Video
First Steps with RFEM
5 March 2021
002410
Description
In the second part we extend our selection of the most important formulas for civil engineers to provide you with even more useful formulas and tools for your everyday life as civil engineers and students.
This time, we go into detail and look at more complex cross-sections and quick estimations.
Find the first part in our channel and on the Dlubal website.
Have fun!
00:00 Introduction
00:20 Design of Concrete Compression Elements Without Reinforcement
01:12 Estimating Amount of Reinforcing Steel in a Beam
03:02 Calculation of Centroid of Complex Cross-Sections
03:58 Second Moment of Area of Welded I-Sections
04:38 Elastic Design of Steel Beam
Keywords
Structural analysis - basics Formula Cross-section properties Second moment of area Moment partial safety factor Civil engineering Civil engineering studies Structural analysis Structural engineering
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Models to Download
Knowledge Base Articles

New
Once you have determined the final tendon geometry in RF‑TENDON, exporting the model to a CAD program can be useful. For this purpose, the module includes the option to export the file in the .dxf file format.
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)
- Are the Dlubal Software programs suitable for the analysis and design of hydraulic steel structures?
- Where do I find the setting to specify the entered structural component as a "wall" or "floor"?
- "During the calculation of material non-linearity, the material with a decreasing branch of the diagram can be calculated with one load increment only." Why do I get this error?
- How do I display some results of all load cases in the printout report, but other results of the selected load cases only?
- Are the models and presentations from Info Day 2019 freely available, and can you send them to me?
- When should the punching load be determined with the (un)smoothed distribution of the shear forces at the critical perimeter?
- I would like to perform the punching shear design on a column with connected downstand beams as a wall corner or Perform wall end. However, the module applies an internal column. Is it possible to adjust it?
- I am getting the message that my material does not meet the requirements of the current standard. How can I correct this?
- Is it possible to design bidirectional ribbed plates, unidirectional ribbed plates, or hollow core slabs in RFEM?
- Why are the values of a column base, head or center on the individual columns only displayed partially for the results from the calculation in RF‑CONCRETE Columns?
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