I have created a 2D frame and would like to assign a lateral and torsional restraint to the ridge. Do I have to enter an intermediate lateral restraint or a nodal support in RF‑/STEEL EC3?

Answer

You can either define a nodal support or an intermediate lateral restraint in RF‑/STEEL EC3.

If there are already nodes in your actual RFEM or RSTAB model, we recommend you to directly enter a nodal support in Window 1.7 as in this case, you can select the nodes directly in the model See Figure 01.

If you want to consider intermediate support at a point in the beam where there is no node available in your structure, you can use an intermediate lateral restraint and specify the restraint type (for example, lateral and torsional restraint). See Figure 02.

Keywords

Intermediate lateral restraint EC3 Nodal support Lateral and torsional restraint Support

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RFEM Main Program
RFEM 5.xx

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

Price of First License
3,540.00 USD
RSTAB Main Program
RSTAB 8.xx

Main Program

The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions

Price of First License
2,550.00 USD
RFEM Steel and Aluminium Structures
RF-STEEL EC3 5.xx

Add-on Module

Design of steel members according to Eurocode 3

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1,480.00 USD
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