FAQ 002410 EN-US 02/14/2019

Markus Baumgärtel Modeling | Structure RFEM

How can I do a thermal decoupling z. B. by aConsider Schöck Isokorb® in RFEM?

Answer

In the case of the Schöck Isokorb®, the tensile forces are transmitted through the insulating layer using stainless steel and the compressive forces are conducted through micro-fiber-reinforced high-performance fine concrete with PE-HD plastic coating.

Depending on the selected type of Isokorbes® moments and / or shear forces can be transmitted. This limited power transmission must be taken into account in the static calculation.

The technical information according to EC 2 for the Isokorb® contains an FEM guideline, which describes the modeling.

Basically, this can be accomplished most easily with line joints or line releases between the respective surface elements in RFEM. It is important to distinguish:

Line joint:
The line joint should be on the outside (balcony). With a line joint, however, no nonlinearities can be considered.

Line release:
Input of nonlinearities is possible. This is how the spring failure of the respective
Consider Isokorbes.

A much more detailed procedure for entering a Schöck Isokorbes® and several example files can be found in our Knowledge Base:

https://www.dlubal.com/de/support-und-schulungen/support/knowledge-base/001445

There is also a webinar which briefly discusses a possible modeling approach of a balcony slab using an Isokorbes®:

Keywords

Thermal decoupling Schöck Isokorb Isokorb Iso-element

Reference

[1]   Eurocode 2: Planung von Stahlbeton- und Spannbetontragwerken. In .

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