In addition to the geometry and shape of a flat roof, you can also take into account the formation of an eaves area when generating the loading.
KB 000896 | Consideration of Eaves Area Formation when Generating Wind Load
Links
- Useful Tools for Fast Generation of Structures in RFEM
- Useful Tools for Fast Generation of Structures in RSTAB
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General
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General
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Knowledge Base
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Knowledge Base
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In addition to the geometry and shape of a flat roof, you can also take into account the formation of an eaves area when generating the loading.
Since wind on laterally open structures is not addressed in the Eurocode, the 4 cases of the German DIN 1055, Part 4 are referenced.
Structures react differently to wind action depending on stiffness, mass, and damping. A basic distinction is made between buildings that are prone to vibration and those that are not.
The automatic creation of combinations in RFEM and RSTAB with the "EN 1990 + EN 1991‑3; Cranes" option allows you to design crane runway beams as well as support loads on the rest of the structure.
There are load generators available for beam structures, creating snow loads according to ASCE/SEI 7-10. The load cases are generated depending on the roof shape. Another generator creates coating loads (ice). You can save recurring load combinations as templates.
The results of solid stresses can be displayed as colored 3D points in the finite elements.
Do you want your structures to remain upright even in wind and snow? Then rely on the load wizards for plate and frame structures. You can now generate wind loads according to EN 1991‑1‑4 and snow loads according to EN 1991‑1‑3 (as well as other international standards). The load cases are generated depending on the roof shape.
Wind loads are also not a problem in your design. You can automatically generate wind loads as member loads or area loads (RFEM) on the following structural components:
- Vertical walls
- Flat roofs
- Monopitch roofs
- Duopitch/troughed roofs
- Vertical walls with duopitch roof
- Vertical walls with flat/monopitch roof
The following standards are available to you:
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EN 1991-1-4 (including National Annexes) -
ASCE 7 -
CTE DB-SE-AE -
GB 50009
Which load direction should I select for members and surfaces in the case of a wind load?
How do I determine wind loads on structures of any shape?
For which countries can I use the wind load generator in RFEM / RSTAB?
Why do some external pressure coefficients have a value of 0 when generating wind loads?
Is it possible to generate wind loads according to DIN EN 13782 with this program?
Can I also generate a wind load on roof overhangs using the load generator?
