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Useful Program Features
The Knowledge Base includes technical articles on a wide array of structural analysis and design topics.
These articles are intended to help you navigate through the Dlubal programs, learn efficient tips and tricks, and provide further insight to the program features.
Why Dlubal Software?
With RF-FOUNDATION Pro, it is possible to determine settlements of single foundations and resulting spring stiffnesses of the nodal supports. These spring stiffnesses can be exported into the RFEM model and used for further analyses.
The RF-/FOUNDATION Pro add‑on module designs single foundations (foundation plates, bucket and block foundations) for all support forces arising in the RFEM/RSTAB model. The geotechnical designs are performed according to EN 1997-1.
With RF-PUNCH Pro, the punching shear design can be performed according to 6.4, EN 1992-1-1. In the following example, the design according to DIN EN 1992-1-1 will be presented first with automatic design of the inner and outer perimeters and then on the basis of the inner perimeters defined by the user on a simple example.
The RF-PUNCH Pro add-on module allows you to perform punching shear designs according to EN 1992‑1‑1 . In addition to the designs of single columns, it is also possible to analyze wall ends and wall corners in RF‑PUNCH Pro.
At this point, I would also like to reference a previous article about RF‑PUNCH Pro, which explains how to determine punching load on wall ends and wall corners.
In addition to the reinforced concrete design according to EN 1992‑1‑1, RF‑/FOUNDATION Pro allows you to perform geotechnical designs according to EN 1997‑1.
In RF‑/FOUNDATION Pro, the design of the allowable soil pressure is performed as a ground failure resistance design. If you select CEN as National Annex, you have two options for defining the ground failure resistance. First, you can directly specify the allowable characteristic value of the soil pressure σRk. Second, there is also the option to analytically determine the bearing capacity according to , Annex D.
Until the program version of RFEM 5.06.1103, it was only possible to export the results on surfaces in the form of isolines into a DXF file. As of the program version 5.06.3039, it is now also possible to export the results in the Isobands display option.
In RFEM and RSTAB, it is possible to add user‑defined dimension lines to a structural model. When creating these dimension lines, click the objects (for example end nodes of a line, members, etc.) which represent the reference points of the dimension. If you want to add a dimension line free from the structure previously defined in the model, you have to create an additional free ‘help node’ which acts as a reference object for the new dimension.
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