The structural analysis software RFEM 6 is the basis of a modular software system. The main program RFEM 6 is used to define structures, materials, and loads of planar and spatial structural systems consisting of plates, walls, shells, and members. The program also allows you to create combined structures as well as to model solid and contact elements.
RSTAB 9 is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering.
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Yes, this is possible and can be done by adding in an opening in the slab and then place a thicker slab within the opening. Then the column would connect to this thicker slab along with an average region and FE mesh refinement to eliminate singularities. This can be designed within the RF-CONCRETE Surfaces add-on module.
The punching shear design module RF‑PUNCH Pro does not have the ACI or CSA standards implemented so the solution above is an alternative to this.
Yes, the load can be entered in RFEM as a surface load. In the Edit Surface Load dialog box, you can find the Generate Load due to Shrinkage... button. This allows you to obtain the internal forces due to shrinkage.
It is not necessary to enter a load in order to consider the shrinkage in the RF‑CONCRETE Surfaces design. The RF-CONCRETE Surfaces add-on module automatically applies the loads due to shrinkage.
No, RF-/FOUNDATION Pro does not perform crack width analysis.
To design a larger foundation plate, where crack width control may be necessary for the restraint due to hydration heat formation, you can use RF‑CONCRETE Surfaces. RF-CONCRETE Surfaces allows for crack width calculation.
Several structural concrete design add-on modules for RFEM 5 include Eurocode 2 with the National Annex for Austria.
As soon as a license for EC2 is available, the Eurocode can be used with all available NAs.
The National Annex for Austria is available in the following add-on modules for reinforced concrete structures:
In a similar way, this also applies to the structural concrete design add-on modules for RSTAB 8.
The RF‑CONCRETE Columns add-on module for RFEM 5 allows you to define a "creep-producing permanent load". You can find the corresponding tab in Window "1.1 General Data".
The reason for the entry is that RF‑CONCRETE Columns can apply this "creep-producing permanent load" for the automatic determination of the effective creep ratio according to EN 1992‑1‑1, 5.8.4.
In contrast, there is no explicit input option for this creep-producing permanent load in RF‑CONCRETE Members. In RF‑CONCRETE Members, the stability analysis of reinforced concrete columns by means of nonlinear design does not automatically reduce the effective creep ratio. You can find the background to the effective creep ratio applied in RF‑CONCRETE Members in Chapter 2.4.6 of the RF-CONCRETE Members manual.
The same applies to the CONCRETE Columns or CONCRETE add-on modules for RSTAB 8.
You can download the current manuals for our programs and add-on modules as PDF documents using the following link:
Furthermore, the manuals for some programs and add-on modules are also available as convenient online versions. You can open these online manuals using the following links:
In RF-CONCRETE Members or CONCRETE, you will find this setting in Window "1.6 Reinforcement" in the "Reinforcement Layout" tab: you can select the desired option under "Reinforcement Layout" (see image).