Plates and structural elements can be precisely cut using the "Auxiliary Solid" component in the Steel Joint add-on. Within this component, you can use the shapes of a box, a cylinder, or any cross-section as a guide object.
Go to Explanatory VideoComponent "Auxiliary Solid"
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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.
In this article, a lap joint of a ZL purlin on a monopitch roof is modeled and designed using the Steel Joints add-on, and compared with the load-bearing capacity table of the manufacturer.
The advantage of the RFEM 6 Steel Joints add-on is that you can analyze steel connections using an FE model for which the modeling runs fully automatically in the background. The input of the steel joint components that control the modeling can be done by defining the components manually, or by using the available templates in the library. The latter method is included in a previous Knowledge Base article titled “Defining Steel Joint Components Using the Library". The definition of parameters for the design of steel joints is the topic of the Knowledge Base article “Designing Steel Joints in RFEM 6".
Steel connections in RFEM 6 are defined as an assembly of components. In the new Steel Joints add-on, universally applicable basic components (plates, welds, auxiliary planes) are available for entering complex connection situations. The methods with which connections can be defined are considered in two previous Knowledge Base articles: “A Novel Approach to Designing Steel Joints in RFEM 6" and “Defining Steel Joint Components Using the Library".
- 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.
Plates and structural elements can be precisely cut using the "Auxiliary Solid" component in the Steel Joint add-on. Within this component, you can use the shapes of a box, a cylinder, or any cross-section as a guide object.
Go to Explanatory Video
What is the component-based finite element method (CBFEM)?
Why is it not possible to select the plate I want to cut/edit in the Plate Editor/Plate Cut?
Which programs and add-ons are suitable for the structural analysis and design of steel structures?
How do I create a splice connection in the Steel Joints add-on?
Can I exclude bolt threads from the shear planes according to AISC 360-16 in the Steel Joints Add-on?
Is it possible to perform stability analysis according to EN 1993‑1‑1 in RSECTION 1?
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