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FAQ 000192 | <p>When I define an elastic foundation, is there any possibility to make the springs for tension or compression fail?</p>
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Question
When I define an elastic foundation, is there any possibility to make the springs for tension or compression fail?
Answer
In the current versions of RFEM and RSTAB, it is possible to design elastic foundations to fail either under tension or compression.
In RFEM, this function can be applied to both line supports and surface supports. The definition is made via "Insert" → "Model Data" → "Line Support"/"Surface Support" or "Edit" → "Model Data" → "Line Support"/"Surface Support". Under the "Nonlinearity" option, you can set the type of failure, see Figure 1.
Figure 01 - Failure of elastic foundation in RFEM
In RSTAB, this option is only available for member elastic foundations. The definition of the failure criteria is analogous, see Figure 2.
Keywords
Dlubal FAQ Foundation Member elastic foundation Line support Surface support Elastic surface foundation failure Failure at tension Failure at pressure Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal
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