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Video | 3skeng Steelwork Tool
Online Manual RFEM | Surfaces
Question: Is it possible to transfer properties, such as the cross-section, or the surface thickness and material of a surface of an existing element to a new element?
Answer: When creating a new element (a member, a surface, a solid), there is a corresponding function at the bottom of the dialog box that allows you to import the properties of another element (see Image 01).
After activating the function, click the element from which you want to transfer the properties. In addition to the geometry and the material, other settings, such as eccentricities or stiffness modifications, will be transferred as well.
Model Used in
Concrete Building
| Number of Nodes | 71 |
| Number of Lines | 77 |
| Number of Members | 2 |
| Number of Surfaces | 11 |
| Number of Solids | 0 |
| Number of Load Cases | 4 |
| Number of Load Combinations | 41 |
| Number of Result Combinations | 4 |
| Total Weight | 67.151 tons |
| Dimensions (Metric) | 5,000 x 5,500 x 5,000 m |
| Dimensions (Imperial) | 16.4 x 18.04 x 16.4 feet |
You can download this structural model to use it for training purposes or for your projects. However, we do not assume any guarantee or liability for the accuracy or completeness of the model.
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The fatigue design according to EN 1992-1-1 must be performed for the structural components subjected to large stress ranges and/or many load changes. In this case, the design checks for the concrete and the reinforcement are performed separately. There are two alternative design methods available.
Using an example of a steel fiber-reinforced concrete slab, this article describes how the use of different integration methods and of a different number of integration points affects the calculation result.
![Spans Based on Figure 5.2 from [1]](/en/webimage/039540/3493372/01_Abmessungen_EN.png?mw=512&hash=3cc425f1463bd5981b358d5889e3109e07ae1233)
In order to correctly design a downstand beam or a T-beam in RFEM 6 using the Concrete Design add-on, it is essential to determine the flange widths for the rib members. This article describes the input options for a two-span beam and the calculation of the flange dimensions according to EN 1992-1-1.
When calculating regular structures, data input is often not complicated but time-consuming. Input automation can save valuable time. The task described in the present article is to consider the stories of a house as single construction stages. Data is entered using a C# program so that the user does not have to enter the elements of the individual floors manually.
In Concrete Design Add-on for RFEM 6 / RSTAB 9 you can perform the fire design of reinforced concrete slabs and walls according to the simplified table method (EN 1992‑1‑2, Section 5.4.2 and Table 5.8 and 5.9).
In the Concrete Design add-on, you have the option to define an existing vertically oriented punching shear reinforcement. This is then taken into account in the punching shear design.
Do you have individual column sections and angled wall geometries, and need punching shear design for them?
No problem. In RFEM 6, you can perform punching shear design not only for rectangular and circular sections, but for any cross-section shape.
In the Concrete Design add-on, you can perform the simplified fire resistance design according to Sections 5.3.2 and 5.6 of EN 1992‑1‑2 for columns and beams.
The following design checks are available for the simplified fire resistance design:
- Columns: Minimum cross-sectional dimensions for rectangular and circular sections according to Table 5.2a as well as Equation 5.7 for calculating time of fire exposure
- Beams: Minimum dimensions and center distances according to Table 5.5 and Table 5.6
You can determine the internal forces for the fire resistance design according to two methods.
- 1 Here, the internal forces of the accidental design situation are included directly into the design.
- 2 The internal forces of the design at normal temperature are reduced by the factor Eta,fi (ηfi), then used in the fire resistance design.
Furthermore, it is possible to modify the axis distance according to Eq. 5.5.
When trying to perform a calculation, I get the message "The path to RWIND Simulation working directory cannot contain any non-ASCII characters". What can I do?
I would like to calculate a prestressed concrete beam. Is it possible with RFEM?
Is it possible to design a prestressed concrete slab in RFEM 6?
Is it possible to use the add-ons for RFEM 6 to design concrete solids?
Which products do you recommend for the structural analysis and design of reinforced concrete structures?
In the table of the objects to be designed in the Concrete Design add-on, punching nodes are listed in the not valid/deactivated column, although I have defined them as punching nodes. How can I fix this?
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