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Im Zusatzmodul RF-/BGDK ist mir aufgefallen, dass man nur Lastfälle und Lastkombinationen zur Bemessung auswählen kann. Warum nicht auch Ergebniskombinationen?

Answer

RF-/LTB requires clear internal forces along the member axis for the design. This condition exists due to various standard requirements that regard the member element to be designed as a structural component and use result gradients along the member axis to determine design parameters (normal force diagrams, bending moment diagrams, etc.).

To meet this requirement, the internal forces to be designed must project clear design cases for the calculation core. Representatives of such unique design cases are load cases and load combinations. Since result combinations are usually used for enveloping results, they are locked in RF-/LTB.

Keywords

Load case Load combination Lateral-torsional buckling Lateral-torsional buckling analysis

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  • Updated 10/21/2020

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Lateral-torsional buckling analysis of members according to the second-order analysis (FEM)

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Lateral-torsional buckling analysis of members according to the second-order analysis (FEM)

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