Can I only apply an impact load to the bucket instead of the entire foundation?


First, the impact load if defined as a load case in RFEM or RSTAB. This load case is then considered in a load or result combination, for which the support forces are determined.

In the design, RF‑/FOUNDATION Pro always uses the support forces from RFEM or RSTAB. This applies for all designs and cannot be controlled separately.

It is only possible to completely deactivate a certain support force for the designs.

Figure 01 - Deactivating Support Loads for Foundation Design

If you do not want to consider a load for geotechnical designs, for example, because the foundation is otherwise constructively stabilized with regard to the impact load, it is possible to deactivate the load in the setting shown in the figure.

However, if it is necessary to consider the impact load for bending design (for example, design of bucket walls), you should copy the design case and include the impact load again.

The foundation evaluation would then be performed using two design cases in the module.


Pocket foundation Foundation Impact Impact load Design Support load Deactivate Neglect


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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

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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 Concrete Structures

Add-on Module

Design of single, bucket and block foundations

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760.00 USD
RSTAB Concrete Structures

Add-on Module

Design of single, bucket and block foundations

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760.00 USD