The model presents an innovative membrane roof with a robust steel substructure. The structure uses state-of-the-art form-finding techniques and PTFE membranes to provide a long-lasting roofing solution. This design combines aesthetic appeal with technical precision. Suitable for a wide range of roofing projects, the system offers high load-bearing capacity and stability. The detailed display supports the evaluation of complex geometric shapes.
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Membrane Roof with Steel Substructure
| Number of Nodes | 107 |
| Number of Lines | 149 |
| Number of Members | 134 |
| Number of Surfaces | 12 |
| Number of Load Cases | 11 |
| Number of Load Combinations | 73 |
| Number of Result Combinations | 3 |
| Total Weight | 8,400 t |
| Dimensions (Metric) | 31.879 x 30.123 x 10.800 m |
| Dimensions (Imperial) | 104.59 x 98.83 x 35.43 feet |
| Program Version | 5.23.02 |
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.
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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.
Structure stability is not a new phenomenon when referring to steel design. The Canadian steel design standard CSA S16 and the most recent 2019 release are no exception. Detailed stability requirements can be addressed with either the Simplified Stability Analysis Method in Clause 8.4.3 or, new to the 2019 standard, the Stability Effects in Elastic Analysis method provided in Annex O.
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.
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.
Want to automatically consider steel joint stiffness in your global RFEM model? Utilize the Steel Joints add-on!
Activate joint-structure interaction in the stiffness analysis of your steel joints. Hinges with springs are then automatically generated in the global model and included in subsequent calculations.
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.
I am designing a set of members using the equivalent member method in RF‑/STEEL EC3, but the calculation fails. The system is unstable, delivering the message "Non-designable - ER055) Zero value of the critical moment on the segment".
What could be the reason?
What could be the reason?
Why are the equivalent member design checks grayed out in the Stability tab when activating the plastic design using the partial internal force method (RF‑/STEEL Plasticity)?
In connection with a calculation according to the large deformation analysis, I get significantly smaller deformations than for a calculation according to the linear static or second-order analysis. How can that be?
How does the activation of the precamber imperfection work?
Are the models and presentations from Info Day 2020 freely available, and can you send them to me?
Can I optimize all cross-sections in my model quickly using internal forces?
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