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FAQ 002612 EN

7 March 2019

Wieland Götzler Add-on Modules STEEL EC3 RF-STEEL EC3 Steel Structures Eurocode 3

I design an unsymmetric cross-section and get the message "Not Applicable": ER051 Moment about axis z on non-symmetric cross-section, tapered member, or set of members ". Why?

Answer

The reason for this warning is that unsymmetric cross-sections can not be designed according to the methods mentioned in 6.3.3 EN 1993-1 or the general method according to 6.3.4 EN 1993-1-1.

You can perform a stability analysis according to the second-order analysis as a cross-section design, which is possible with the add-on modules FE-LTB or STEEL Warping Torsion.

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RSTAB Steel and Aluminium Structures
STEEL EC3 8.xx

Add-on Module

Design of steel members according to Eurocode 3

Price of First License
1,480.00 USD
RFEM Steel and Aluminium Structures
RF-STEEL EC3 5.xx

Add-on Module

Design of steel members according to Eurocode 3

Price of First License
1,480.00 USD