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- Features of the RF‑STAGES add‑on module
- Consideration of stages for building constructions using RF‑STAGES
Consideration of Construction Stages with RF-STAGES
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Knowledge Base
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When modeling a reinforced concrete rib with a masonry wall above, there is the risk that the rib is underdesigned if the structural behavior of the masonry is not correctly considered and the connection between the masonry wall and downstand beam is not modeled sufficiently accurately. This article deals with this issue and shows the possible modeling options of such a structure. In this example, the reinforcement is determined only from the internal forces and without secondary minimum reinforcement.
The current state of the development of finite element analysis software and computer technology allows for the calculation of more complex structure. More and more frequently, FE calculations are performed on the entire model. In this context, certain practical construction problems may appear. One of these problems is the consideration of a construction process in the model.
This article describes and explains the influence of bending stiffness of cables on their internal forces. Furthermore, the text provides information on how this influence can be reduced.
Using the Timber Design add-on, timber column design is possible according to the 2018 NDS standard ASD method. Accurately calculating timber member compressive capacity and adjustment factors is important for safety considerations and design. The following article will verify the maximum critical buckling strength calculated by the Timber Design add-on using step-by-step analytical equations as per the NDS 2018 standard including the compressive adjustment factors, adjusted compressive design value, and final design ratio.
The results of solid stresses can be displayed as colored 3D points in the finite elements.
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The number of degrees of freedom in a node is no longer a global calculation parameter in RFEM (6 degrees of freedom for each mesh node in 3D models, 7 degrees of freedom for the warping torsion analysis). Thus, each node is generally considered with a different number of degrees of freedom, which leads to a variable number of equations in the calculation.
This modification speeds up the calculation, especially for models where a significant reduction of the system could be achieved (for example, trusses and membrane structures).
Display extended strains of members, surfaces, and solids (for example, the important principal strains, equivalent total strains, and so on) in the Project Navigator - Results in RFEM as well as in Table 4.0.
For example, you can display governing plastic strains when performing the plastic design of connections with surface elements.
RFEM and RSTAB models can be saved as 3D glTF models (*.glb and *.glTF formats). View the models in 3D in detail with a 3D viewer from Google or Babylon. Take your VR glasses, such as Oculus, to "walk" through the structure.
You can integrate the 3D glTF models into your own websites using JavaScript according to the instructions (as on the Dlubal website Models to Download): "Easily display interactive 3D models on the web & in AR" .
How can I display the deformation in the current construction stage and in relation to the initial system in RF‑STAGES?
Why are the results of the load cases - for example, the load case of dead load - not identical to the first construction stage in the RF‑/STAGES add-on module?
When comparing the partial calculation of a single floor with the total calculation of the building, the local deformations are very different. How is this possible?
What does the option Alignment of new elements in "Initial position" and "Tangential" in RF‑STAGES mean?
Which analysis is used in RF‑STAGES or STAGES to calculate temporary loads and the generated combinations?
Why do I get an error message about invalid material when defining timber surfaces?
