We provide hints and tips to help you get started with the RFEM program.
What are Actions?
Video
First Steps with RFEM
Description
Actions are defined and categorized in standards to ensure engineers are able to work with the fundamental basics.
In the building industry, actions can be simply described as direct or indirect loads acting on a structure.
Direct actions are forces or loads, and indirect actions include restraints or deformations.
Actions are divided into permanent, variable, and accidental actions.
Keywords
Dlubal Infotainment Actions Loads Dead load Live load Wind load Snow load Earthquake Permanent actions Variable actions accidental actions E-learning Entertainment Construction industry Civil engineering Civil engineer Studies Structural engineering Structural engineer Civil engineering studies Structural analysis
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New
X-Brace Effective Lengths According to AISC 360-16 in RFEM 6
Defining the appropriate effective length is crucial to obtain the correct member design capacity. For X-bracing that is connected at the center, the engineers often wonder if the full end-to-end length of the member shall be used or using half of the length to where the members are connected is sufficient.
This article outlines the recommendations given by the AISC and provides an example on how to specify the effective length of the X-braces in RFEM.
New
Steel Joints | Stability Analysis Software
For the joint components, it is possible to check whether the stability failure is relevant (requires the Structure Stability add-on for RFEM 6 / RSTAB 9).
In this case, the critical load factor for all analyzed load combinations and the selected number of mode shapes is calculated for the connection model. The smallest critical load factor is compared with the limit value 15 from the standard EN 1993‑1‑1, Clause 5. Furthermore, a user-defined adjustment of the limit value is possible. Moreover, the corresponding mode shapes are displayed graphically as the result of the stability analysis.
For the stability analysis, an adapted surface model is used to specifically recognize the local buckling shapes. The model of the stability analysis, including the results, can also be saved and used as a separate model file.
- Is it possible to calculate the weld stresses between surfaces with RFEM 6?
- How can I neglect torsion in the steel and timber design?
- Can I define a different bar size in the RFEM 6 Concrete Design add-on other than the default bar sizes available in the drop-down?
- Can the RFEM 6 Concrete Design add-on automatically design member and surface reinforcement?
- Why is it not possible to select the user-defined additional reinforcement for the serviceability limit state design in RF‑CONCRETE Surfaces?
- What is the maximum number of reinforcement groups that can be created in a design case in RF‑CONCRETE Surfaces?
- I would like to perform punching design of a floor slab. I have selected nodes for the design, but they are marked as invalid. Where did I make a mistake?
- Is it possible to display the deformation analysis of a surface (limit 0.5‰)?
- Is the deformation analysis in state II included in the concrete design in RFEM 6?
- How can I open the interaction diagram from Concrete Design?
