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When should the punching load be determined with the smoothed or when the shear forces of the critical perimeter are not smoothed?


For this, no general recommendation for action can be given.

For wall corners and wall ends, the default setting "Non-smoothed shear force over the distribution of the control perimeter" can initially be maintained.

After the calculation, you can graphically check the distribution of the shear force in the control perimeter.

Optionally, you can now switch to "smoothed" (for example, when singularities occur).

Please note, however, that any singularities that may occur are also included in the beta calculation. If necessary In this case, it may also be necessary for the load increasing factor ß to be specified directly by the user.


Punching shear Punching load Perimeter Smoothed Punching



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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
RFEM Concrete Structures
RF-PUNCH Pro 5.xx

Add-on Module

Punching shear design of foundations and slabs with nodal and line supports

Price of First License
760.00 USD