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Supports contributing to a load reduction only under compression or tension can be defined as nonlinear supports.
This model was used to explain the selection of the correct nonlinearity for "failure under tension" or "failure under compression".
Steel Frame Structure
| Number of Nodes | 6 |
| Number of Lines | 5 |
| Number of Members | 5 |
| Number of Surfaces | 0 |
| Number of Solids | 0 |
| Number of Load Cases | 1 |
| Number of Load Combinations | 2 |
| Number of Result Combinations | 0 |
| Total Weight | 1.226 tons |
| Dimensions (Metric) | 8.000 x 4.000 x 0.000 m |
| Dimensions (Imperial) | 26.25 x 13.12 x 0 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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Supports contributing to a load reduction only under compression or tension can be defined as nonlinear supports in RFEM and RSTAB. It is not always easy for the user to select the correct nonlinearity for "failure under tension" or "failure under compression".
Plate girder is an economical choice for long spans construction. I-section steel plate girder typically has a deep web to maximize its shear capacity and flange separation, yet thin web to minimize the self-weight. Due to its large height-to-thickness (h/tw) ratio, transverse stiffeners may be required to stiffen the slender web.
Understanding steel connection rigidity is crucial in structural design. Often, connections are treated as strictly pinned or rigid, but this can lead to uneconomical or even dangerous designs. Explore how Dlubal Software's RFEM and Steel Joints add-on help verify connection stiffness and moment resistance, ensuring safer and more economical designs.
The three types of moment frames (Ordinary, Intermediate, Special) are available in the Steel Design add-on of RFEM 6. The seismic design result according to AISC 341-22 is categorized into two sections: member requirements and connection requirements.
- Numerous component types, such as base and end plates, web angles, fin plates, gusset plates, stiffeners, tapers, or ribs for easy input of typical connection situations
- Universally applicable basic components (such as plates, welds, bolts, auxiliary planes) for modeling complex connection situations
- Graphical display of the connection geometry with dynamic updating during the input
- Wide range of cross-section shapes: I-sections, U-sections, angles, T-sections, hollow sections, built-up cross-sections and thin-walled sections
- Library in the Dlubal Center with a large number of program-side template connections, including user-defined templates
- Automatic adaptation of the connection geometry based on the relative arrangement of the components to each other – even in case of subsequent editing of the structural components
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
The "Base Plate" component allows you to design base plate connections with cast-in anchors. In this case, plates, welds, anchorages, and steel-concrete interaction are analyzed.
In the "Edit Section" dialog box, you can display the buckling shapes of the Finite Strip Method (FSM) as a 3D graphic.
What is the component-based finite element method (CBFEM)?
Is it possible to perform stability analysis according to EN 1993‑1‑1 in RSECTION 1?
Why is it not possible to select the plate I want to cut/edit in the Plate Editor/Plate Cut?
Is it possible to consider the eccentricity of unsymmetrical line welds for the stress analysis in RFEM 6?
How can I reduce the calculation time for members with a nonlinear material model in RFEM 6 and RSTAB 9?
Why are the stresses of the structural analysis different from those calculated with the Stress-Strain Analysis add-on?
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