FAQ 002412 EN 14 February 2019

Markus Baumgärtel Modeling | Structure RFEM

How can I most easily model and measure a ceiling jump with RFEM?

Answer

Basically, one has to decide first whether the consideration of the cover jump in the static model is relevant or not.
If the jump in the ceiling is to be taken into account when calculating the internal forces, this can be depicted in RFEM as a surface model (folding unit) (see Figure 1). The resulting surfaces (horizontal surfaces of the ceilings, vertical surfaces of the vertical offset) can then be dimensioned using RF-BETON surfaces.

Optionally, you can also integrate the area intersection sizes, which were determined in this ceiling discontinuity, into stump sizes. For this purpose it is recommended to use a "result bar" (see picture 2). The stump sizes of the result bar can then be used subsequently for design in RF-CONCRETE Members (see Figure 3).

You will find further information on the application of the results bar for ceiling design on our homepage under the following links.

Items: Use of result bars in RFEM:


Items: Design of ribs using result bars:

Keywords

Ceiling jump height jump result bar ribs

Reference

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RFEM 5.xx

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Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

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