Design of Ribs, Folded Plate Structures, and Surfaces Using Result Members in RFEM 6
If you want to use a pure surface model, for example, when determining the internal forces and moments, but the structural component is still designed on the member model, you can take advantage of a result beam.
With a result beam it is possible, for example, to integrate surface forces and moments along the member axis within a defined area and to design them subsequently.
These internal forces and the cross‑section assigned to the result beam are used for the design. It is very important to run the result beam axis through the centroid of the regarded cross-section, since the internal forces under consideration of the respective lever arm are to be integrated.
You can use the rendered view to graphically check whether the result beam is correctly arranged. In this context, the surfaces must be represented including their thickness. The edges of the result beam's cross-section must match the edges of the surfaces displayed.
Here, the parametrization is only an extended option for input. It is of course not necessary when using the result table. However, if the cross-section of a T-beam, for example when modeling a downstand beam, needs to be frequently varied during modeling, the position of the result beam axis can be entered by parameterized input. If you define the position of the axis depending on the cross-section parameters of the result beam, you only need to change the cross-section. The axis of the result beam is then aligned automatically.
Dipl.-Ing. (FH) Adrian Langhammer
Product Engineering & Customer Support
Mr. Langhammer is responsible for development in the area of reinforced concrete structures, and provides technical support to our customers.
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