The “Steel Joints” add-on uses the standard EN 1993‑1‑8 (Eurocode 3, including National Annexes) as well as the American standard ANSI/AISC 360‑22 for the design of steel connections. Further standards will follow.
Models to Download | Add-on "Steel Joints"
Design of Steel Connections According to International Standards
Currently Supported Standards in "Steel Joints" Add-on
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![Steel Joints for RFEM 6](/en/webimage/047670/3727877/graphic_output_(2).png?mw=400&hash=3145b148921d52f0f0d5df04b4aaa44675fd0212)
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![KB 001890 | Use of Rib Component to Model Stiffened Steel Connections](/en/webimage/052154/4041189/rib.png?mw=512&hash=b07c64ad1254b6ab609a4583d1802baba6a25dcd)
![Steel Connections Modeled in Steel Joints Add-on](/en/webimage/051920/4022201/EN-DE-1.png?mw=512&hash=93381a43ac2b4cf28461d64455ce2feeb2889924)
![Steel Connection Rigidity and Its Influence on Structural Design](/en/webimage/051432/3972404/Rigidity-caseA.png?mw=512&hash=3be64e68ab2956fd2b92f0afa1559b3a8c72b468)
![KB 001853 | Initial Stiffness Analysis in Steel Joints](/en/webimage/042196/3554460/01-en.png?mw=512&hash=65e98cfe859ce35a3e3e9da47a0ef9335401520e)
![Feature 002864 | Component "Surface Contact"](/en/webimage/051990/4026342/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
The "Surface Contact" component in the Steel Joints add-on allows you to take into account a pressure contact between two parallel plates/member plates. Furthermore, you can optionally consider the friction between the surfaces.
![Feature 002855 | Connection Library in Dlubal Center](/en/webimage/051693/4038288/2024-08-21_12-24-51.png?mw=512&hash=5f0156d6b24d7185e31431c608407eb1cfd85fa4)
In the Dlubal Center, there is an extensive library with connections available for the Steel Joints add-on.
You can access this library directly from the add-on and assign the predefined connections to the corresponding nodes. You can also save user-defined connections in the library in Dlubal Center.
![Feature 002858 | "Plate" Component with Polygonal Geometrical Shape](/en/webimage/051706/4000308/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
In the Steel Joint add-on, you can arrange plates in various geometry shapes. In addition to the "Rectangle" and "Circle" shapes, the "Polygon" shape is also available. The polygonal shape is defined by entering the point coordinates.
![Feature 002851 | Relative Placement of Objects](/en/webimage/051664/3996295/2.png?mw=512&hash=495637ed9f78ff76e0ac09e73585e9001cb15ebb)
In the Steel Joint add-on, you can arrange objects with a relative reference to other objects.