Graduation Thesis 000474 | Comparison of Geometrical Nonlinear Analysis and Second-Order Theory for Steel Members in Torsion
Graduation Thesis 000474 | Comparison of GNA and SOT for Steel Members in Torsion
Number of Nodes | 76 |
Number of Lines | 38 |
Number of Members | 38 |
Number of Load Cases | 1 |
Total Weight | 13.943 tons |
Dimensions (Metric) | 4.326 x 37.653 x 0.653 m |
Dimensions (Imperial) | 14.19 x 123.53 x 2.14 feet |
Program Version | 5.32.02 |
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.
![Limit Value of Torsional Shear Stresses for Cross-Section Design](/en/webimage/010266/3040249/1_limit_shear_stress_torsion_cross-section_check.png?mw=512&hash=2545844d8dd2e36abfd808a5812f388253096def)
Very small torsional moments in the members to be designed often prevent certain design formats. In order to neglect them and still perform the designs, you can define a limit value in RF‑/STEEL EC3 from which torsional shear stresses are taken into account.
![Flexural Buckling Lines According to EN 1993-1-1](/en/webimage/010469/2987565/1_Knicklinien.png?mw=512&hash=9ad9ab1e9a7ae48f1bdadef46d94aff35c70c44c)
The RF‑/STEEL EC3 add-on module automatically transfers the buckling line to be used for the flexural buckling analysis for a cross-section from the cross-section properties. The assignment of the buckling line can be adjusted manually in the module input for general cross-sections in particular, as well as for special cases.
![Cross-Section Optimization](/en/webimage/010515/2966222/01_Cross-section_optimization_en.png?mw=512&hash=1ad2e1e7c890530173014063a9c03dae19280f68)
When optimizing cross-sections in the add-on modules, you can also select arbitrarily defined cross-section favorites lists - in addition to the cross-sections from the same cross-section series as the original cross-section.
![System, Dimensions, and Cross-Sections](/en/webimage/014729/2950047/01-en.png?mw=512&hash=65e98cfe859ce35a3e3e9da47a0ef9335401520e)
This technical article deals with the design of structural components and cross-sections of a welded truss girder in the ultimate limit state. Furthermore, the deformation analysis in the serviceability limit state is described.
![Add-on "Steel Joints for RFEM 6" | Component Library](/en/webimage/043097/3898884/steel_joints_components.png?mw=512&hash=e4f835906155863fc7019d5043b22e553dc766f9)
- 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
![Feature 002820 | Limit Plastic Strain for Welds](/en/webimage/050344/3881226/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
![Component "Base Plate"](/en/webimage/050345/3936120/50345.png?mw=512&hash=3bd641cb1a2445804b338855e4debfc40c6563e9)
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.
![Feature 002807 | 3D Display of FSM Results](/en/webimage/049281/3861162/2024-05-01_10-32-55.png?mw=512&hash=2377d291bc20ac3d78d617b50c131614e99ac6f7)
In the "Edit Section" dialog box, you can display the buckling shapes of the Finite Strip Method (FSM) as a 3D graphic.
What could be the reason?
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