Tapers are often done using cut beam sections. When modeling, however, you have to consider some things for the checks of cross‑sections and stability.
KB 000755 | Modeling Tapers for Hall Frames
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- Useful Tools for Fast Generation of Structures in RFEM
- Useful Tools for Fast Generation of Structures in RSTAB
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Tapers are often done using cut beam sections. When modeling, however, you have to consider certain things for checking cross‑sections and stability.
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.
Rolled sections, the most common cross‑section type in RFEM and RSTAB, can also have user‑defined parameters. To do this, select the cross‑section to be modified in the cross‑section library and click the [Parametric Input...] button.
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 these instructions (as on the Dlubal website Models to Download).
With the Camera Fly Mode view option, you can fly through your RFEM and RSTAB structure. Control the direction and speed of the flight with your keyboard. Additionally, you can save the flight through your structure as a video.
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.
The reinforcement proposal from RF-/CONCRETE Members can be exported to Revit. The rectangular and circular cross-sections are currently supported.
The reinforcement bars can be modified retroactively in Revit.
In RFEM/RSTAB, I have defined a tapered member consisting of two different cross-sections. This is now displayed incorrectly in the rendering (see the "Incorrect Taper" graphic). What did I do wrong?
Is it possible to divide a tapered member in such a way that the interpolated cross-section is determined automatically at the division point? Is it possible to change the cross-section of a tapered set of members by changing the cross-section height on a member (start, middle, or end of the set of members) and then automatically determine the new cross-section heights for the other members?
How is the change in the torsional moment Iy taken into account for variable cross-sections (tapers)?
Can I display node coordinates in my model?
Can I use SHAPE-THIN 9 in combination with RSTAB 8?
Has the RF-TOWER add-on module for RFEM 5 already been added to RFEM 6?
