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FAQ 002684 EN 27 March 2019

Walter Fröhlich Results FRAME-JOINT Pro RF-FRAME-JOINT Pro

What does the design information mean?
Geometry error left side:
Front plate of the bolt: Lamda2> 1.4
column flange: Lamda2> 1.4
Neither the manual nor online, I can find an explanation.

Answer

To determine the effective lengths, the auxiliary values λ1 and λ2 are required.

These two values are used to obtain an α-value from Figure 6.11 of EN 1993-1-8, which is then used to calculate the effective lengths (for non-circular flow lines) of the T-stub flanges.
The maximum value for λ1 is 0.9 and the maximum value for λ2 is 1.4 -> see picture 6.11 of EN 1993-1-8
Out of your geometry, however, there is, for example, a λ2 of> 1.4 for the front plate
However, α can only be calculated with the maximum value of 1.4.

Keywords

Connection Frame corner Component method Faceplate

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FRAME-JOINT Pro 8.xx

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Design of rigid bolted frame joints according to Eurocode 3 or DIN 18800

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RF-FRAME-JOINT Pro 5.xx

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Design of rigid bolted frame joints according to Eurocode 3 or DIN 18800

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