This knowledge base article presents the method for determining the internal pressure coefficient (cpi) for one-story buildings according to EN 1991‑1‑4.
KB 001453 | Determination of Internal Pressure Coefficient (cpi)
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In Germany, DIN EN 1991-1-4 with the National Annex DIN EN 1991-1-4/NA regulates the wind loads. The standard applies to civil engineering works up to an altitude of 300 m.
If a canopy roof (for example, a filling station roof) should be designed, a load determination with regard to Section 7.3 of EN 1991-1-4 is required. This article shows the design of a slightly inclined troughed roof, with an example.
In Germany, DIN EN 1991-1-3 with National Annex DIN EN 1991-1-3/NA regulates snow loads. The standard applies to civil engineering works at altitudes of up to 1,500 m above sea level.
In this article, the calculation of a timber panel wall with the beam panel thickness type is compared with a manual calculation.
In the RFEM add-on Surface Concrete Design allows you to perform the fire design according to the simplified table method (EN 1992-1-2, Chapter 5.4.2 and Table 5.8 and 5.9) for walls and ceilings made of reinforced concrete.
In the Concrete Design add-on, you have the option to define an existing vertically oriented punching shear reinforcement. This is then taken into account in the punching shear design.
In RFEM, the oriented strand board (OSB) material is available for the USA and Canada. The material parameters are taken from the "Panel Design Specification manual".
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
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