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Example horizontally non-displaceable and movable storage

Figure 01 - Example horizontally non-displaceable and movable storage
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FAQ 002826 EN-US 04/08/2019

Adrian Langhammer General RFEM RSTAB RF-CONCRETE NL

In the deformation calculation of my surface model in RF-CONCRETE NL I get implausible high values, what could be the reason?

Answer

It is quite likely that the high deformations are caused by the consideration of shrinkage and the horizontal storage in the model.

The shrinkage is taken into account internally on the load side as elongation, in which connection a failure due to the prevention of shrinkage is also possible. If the shrinkage is prevented by a non-displaceable horizontal bearing, forces are created which can lead to failure of the concrete and thus to a significant increase in deformation or even instability of the model.

In this context, it is important that when using the nonlinear deformation calculation, the boundary conditions of the model are mapped as realistically as possible.

Keywords

Dwindle Deformation Implausibly Height Instability Matrix Unique Reinforced concrete Condition II

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Associated Products
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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

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RSTAB Main Program
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