Video: Interactive Load Zoning Maps
Select the corresponding snow, wind or seismic standard above and click on the map to easily obtain the snow loads, wind speeds, and seismic data or type in the location in the search window.
Then, you receive the desired load values for snow, wind or seismic activity.
The wind loads are regulated according to Eurocode 1 - Actions on structures - part 1-4: General actions - Wind loads. The nationally determined parameters of a respective country can be found in the National Annexes.
Wind is the only climatic load acting on every single type of structure in the entire world, different from other loads like snow, for example. The wind size depends on the geographical location of the structure. That is one of the main reasons why today’s standards have regional division (wind zones) and consideration of altitude, as well as variation of dynamic pressure depending on the height above ground for a ‘normal’ site, without masking effect.
The ‘Generate Snow Loads’ function provides the option to consider snow overhang. Thus, the load of the snow overhang is applied automatically to the eaves using distributed load or several nodal loads.
According to DIN EN 1990/NA:2010‑12 - NDP to A.1.2.1(1) Comment 2, it is necessary to only apply one of the two climatic actions in the combination expressions for actions according to 6.4.3 and 6.5.3 in the case of places located up to +1,000 m above mean sea level if snow and wind are available as collateral actions in addition to non‑climatic leading action.
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Do you have questions about using our snow, wind and seismic zoning maps? Contact us via our free e-mail or chat support, in the forum or find solutions to commonly asked questions on our FAQ page 24/7.
RFEM offers the option to couple surfaces with the stiffness types "Membrane" and "Membrane-Orthotropic" with the material models "Isotropic Nonlinear Elastic 2D/3D" and "Isotropic Plastic 2D/3D" (RF-MAT NL add-on module required).
This functionality enables the simulation of the nonlinear strain behaviour of, for example, ETFE foils.
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