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Frequently Asked Questions (FAQ)
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The Geo-Zone Tool website "Snow Load, Wind Speed, and Seismic Load Maps" shows a map application for determining loads specific for a certein location as an embedded solution in the global Dlubal website.
By clicking the "Switch to Fullscreen Mode" button, you can use the map application over the entire window without any general website controls.
The change of the vertical position or an eccentricity has an effect on the bending moment My only if there are other forces acting on the model, which are included in this moment, such as the axial force in the following example.
A slab, supported as a single-span beam, is only loaded vertically on the left in the image. The bending moments of the result members positioned above and below the slab do not differ.
On the right, the slab is additionally loaded by an axial force. Therefore, the result members obtain additional negative or positive moments. The eccentricity acts as a lever arm.
Various international standards or codes specify additional secondary values for the description of the load value specific for a location.
For example, the wind load description of the United States according to the code ASCE/SEI 7‑16 specifies various wind speeds for a location, depending on the defined risk category.
The Geo-Zone Tool always uses all location-specific parameters available from the load standard. In addition to the actual primary load value, further parameter maps are carried out in the background. These maps can be selected and displayed in the "Map" list box.
You can find the standard description for the two-part "map" component of the Geo-Zone Tool web service query using the full-screen solution on our website "Geo-Zone Tool: Snow, Wind, and Seismic Zone Maps."
After opening the full screen solution, the URL in the address bar shows the textual definition of the standard used. This term can be used to create the digital Geo-Zone Tool web service query.
As already described in FAQ 4386, the imperfections in the graphic are always aligned with a support.
If no member is connected to a support, the display may differ. For example, if you work with member lists, you can Edit Imperfection and Reverse Member Orientation in the corresponding dialog box, and check whether the graphical display is visually the same.
Since the graphical imperfection is virtually an equivalent load, the display is only of visual relevance in this case.
AnswerRegarding the printout report, the renumbering may have impact on user-defined views.The renumbering also affects the module data. For example, if you have selected Member 1 for design in an add-on module and then renumbered the members, the wrong member is most likely designed.For this reason, we strongly recommend to carry out the renumbering before you start working in the add-on modules.
The cause is very likely to be found in the lighting settings. In Project Navigator - Display, you can adjust the lighting for the model (see the image). Depending on the orientation of the model, it may happen that some surfaces appear white due to the direct lighting.
You can quickly adjust the individual lights at any time. Thus, the optimum lighting of the model is ensured at every viewing angle.
AnswerThe model information can be found in the Statistics tab in File Properties in Windows Explorer. You can also find there other information, such as the model type, the number of nodes, members, areas, or the total weight of the model.
AnswerThe footer shows you the current source. There you can find the source, which was published as an Excel file by DIBt. These are available under "Technical Building Regulations."Please check the DIBt table for your location. If you notice any discrepancies, please send us a message with the detailed information about the location.
I noticed deviations from the map of DIN EN 1998‑1 or DIN 4149 in the online service "<a href="https://www.dlubal.com/en-US/solutions/online-services/snow-load-wind-speed-and-seismic-load-maps" target="_blank">Geo-Zone Tool: Snow, Wind, and Seismic Zone Maps</a>." Can you tell me which map is current and thus governing?
AnswerPlease clear the cache of your browser. Thus, the following currently valid map should only appear:For this, enter "clear cache *your browser*" in the search engine and follow the instructions.The footer shows you the current source. There you will find the source "Seismic Zones and Subsoil Classes 2017‑07‑20," which was published as an Excel file by DIBt. These are available under "Technical Building Regulations."
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Wind Simulation & Wind Load Generation
With the stand -alone program RWIND Simulation, you can simulate wind flows around simple or complex structures by means of a digital wind tunnel.
The generated wind loads acting on these objects can be imported to RFEM or RSTAB.
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